8343 results about "Air filter" patented technology

The present invention is applicable to the technical field of fresh air equipment, and provides a fume removal catering fresh air equipment, including a chassis, a total heat exchanger is arranged inside the chassis, primary air filters are arranged on the left and right sides of the total heat exchanger, secondary air filters are arranged inside the old air inlet channel and the new air exhaust channel, the secondary air filter and the primary air filter are detachably installed in the chassis, the secondary air filter and the primary air filter include a filter mechanism and a lifting and adjusting mechanism for driving the filter mechanism to move up and down in the chassis: the present invention arranges a secondary air filter and a primary air filter that are detachably installed in the chassis, the secondary air filter and the primary air filter include a filter mechanism and a lifting and adjusting mechanism for driving the filter mechanism to move up and down in the chassis, when the filter is dismantled for inspection or cleaning, it is only necessary to remove the filter through the inspection port, so that the replacement and cleaning of the filter are convenient, and the use effect and service life of the fresh air equipment are improved.

The invention relates to the technical field of air purification, in particular to movable air purification equipment. The device comprises a filtering device, and a dredging device and a collecting device which are arranged in the filtering device. According to the air purifier, when the motor drives the fan blades to rotate through the transmission shaft so as to accelerate the speed of air passing through the air filter element, the control panel in reciprocating threaded connection with the transmission shaft can drive the elastic air bag to contract and stretch, the volume of the elastic air bag is increased during stretching, and negative pressure is formed in the elastic air bag to suck air purified by the air filter element; during compression, the size of the elastic air bag is reduced, air in the elastic air bag is compressed, enters the air injection structure through the exhaust pipe and then is sprayed out of the filter screen through the air flushing opening, so that blockages on the filter screen are impacted by airflow to fall off from the filter screen, the filter screen is prevented from being blocked, and the air purification efficiency of the equipment is ensured.

The invention belongs to the technical field of engines, and particularly relates to a crankcase ventilation system, a hydrogen internal combustion engine and a crankcase ventilation system control method. The crankcase ventilation system comprises a crankcase, an oil-gas separator, an air filter and a control unit, a hydrogen concentration detection unit is arranged in the crankcase, an inlet of the oil-gas separator is communicated with a first communication port of the crankcase, the air filter is communicated with a second communication port of the crankcase through an air inlet pipeline, and the control unit is connected with the control unit. The air filter selectively communicates with the third communicating port of the crankcase through a first gas supplementing pipeline, and the control unit is in signal connection with the hydrogen concentration detection unit, the oil-gas separator and the air filter. By using the crankcase ventilation system in the technical scheme, the hydrogen concentration in the crankcase is always in a safe range, and the hydrogen internal combustion engine works stably.

The invention belongs to the technical field of environmental sanitation machinery, and particularly relates to a high-speed low-noise centrifugal fan with an air filtering effect, the high-speed low-noise centrifugal fan comprises a fan volute, a fan impeller is mounted in the fan volute, the fan impeller comprises a front disc, a middle disc and a plurality of fan blades, the fan blades are located between the front disc and the middle disc, and the fan blades are arranged in the fan volute. A flow channel of the fan impeller is formed by the front disc, the middle disc and the space between every two adjacent fan blades, and a driving motor is installed on the rear side of the fan volute. According to the high-speed low-noise centrifugal fan with the air filtering effect, brand new plans are made on the blade shape, the blade structure, the volute, the volute tongue and the overall structure of the fan, and particularly, the cyclone separator is additionally arranged at the air inlet of the fan, so that high-speed air entering the volute of the fan is rapidly separated and purified; and dust and other garbage in the gas are settled and separated, so that the quality of air discharged into the atmosphere from an outlet of the fan is improved, and secondary pollution of environmental sanitation operation is reduced.

The present invention proposes a nanofiber composite vehicle air filter paper with a gradient structure and a preparation method thereof, which is used to solve the technical problems of poor bonding strength between nanofibers and substrates and low filtration efficiency in nanofiber filter materials. The present invention uses a preparation process combining electrostatic spinning and electrostatic spraying to prepare a nanofiber composite vehicle air filter paper, which includes an ultrafine nanofiber mesh layer, a nanofiber layer and a filter paper layer arranged in sequence. The present invention has a good effect on PM under industrial standard wind speed conditions. 0.3 The initial filtration efficiency of particulate matter can reach 99.9%, reaching the H12 standard for air filtration materials. More importantly, in the self-cleaning backflush test, after 10,000 backflush tests, the PM 0.3 The filtration efficiency can still be maintained above 90%. This provides a new strategy for high-performance nanofiber filtration materials, which is of great significance to the high-tech, high-quality, green and sustainable development of nonwoven materials and filtration materials.

The invention discloses rotating wheel drying and dehumidifying equipment with a moisture content monitoring function, the dehumidifying equipment comprises a bottom frame, a drying material barrel, a humidity tester, a box body and an air path assembly, the bottom frame is fixedly connected with the drying material barrel and the box body, the drying material barrel is fixedly connected with the humidity tester, the humidity tester is arranged at the bottom of the drying material barrel, and the box body is fixedly connected with the drying material barrel. The box body is fixedly connected with the gas path assembly, the gas path assembly comprises a drying gas path, the drying gas path comprises a return air filter and a drying electric heater, and the return air filter and the drying electric heater are both connected with the drying material barrel through pipelines; the invention relates to the technical field of drying and dehumidifying equipment, which can ensure continuous dehumidification, uninterruptedly and continuously output dry air, treat large-air-volume and high-humidity air, expand the range of a moisture absorption area, prolong the adsorption time, improve the single-time adsorption effect and ensure that the situation of dehumidification leakage is avoided. The moisture of the dried material is measured through infrared rays, and pollution and damage caused by contact measurement are avoided.

The invention relates to the technical field of tail gas treatment, and provides a tail gas denitration reactor for hydrogenation catalyst production, the tail gas denitration reactor comprises a treatment box and an adsorption shell mounted in the treatment box, one end of the adsorption shell is connected with a gas inlet pipe, the other end of the gas inlet pipe is connected with a gas outlet pipe, and two ends of the adsorption shell are provided with a plurality of connecting grooves; the upper end of the adsorption shell is connected with a first connecting frame and a second connecting frame. The two ends of the first gas filtering bin and the two ends of the second gas filtering bin are meshed and installed on the gear shaft, so that the gear shaft drives the first gas filtering bin and the second gas filtering bin to rotate, the first gas filtering bin and the second gas filtering bin alternately conduct tail gas adsorption work, and in the standby replacement process, the filter elements in the first gas filtering bin and the second gas filtering bin are cleaned; the device can adsorb tail gas in a long-term and high-quality mode, the problems that the filter element is blocked and the adsorption effect is reduced due to long-time use of the filter element are solved, and environment-friendly emission of the tail gas can be achieved in the hydrogenation catalyst production and manufacturing process.

Porous membranes, and methods of making such porous membranes, that comprise staple or discrete fibers and nanoparticles dispersed throughout at least a portion of the membrane are provided. A filter media comprises a porous membrane comprising staple fibers and having a mean pore size of less than about 10 microns. The media further includes nanoparticles disposed within the porous membrane. The nanoparticles reduce the mean pore size of the membrane, while substantially maintaining the pressure drop (e.g., bubble point) across the membrane. The porous membranes may be configured for use as filter media and are particularly useful for gas or liquid filters, including, but not limited to, membrane filters, diesel filters, air filters, face masks, gas turbine and compressor air intake filters, panel filters, cartridge filters, bag filters, clean-in-place (CIP) filters and the like.

An air purifier may have a casing defining a support to receive a substrate of a plant, an artificial plant and / or a removable pot. The casing forms a chamber, an outer wall of the casing defining one or more air inlets, and one or more air outlets. An air filter(s) is housed in the chamber. A fan is housed within the chamber. A motor is operable to drive the fan, whereby the fan is operable to draw in air through one or more air inlets in the casing and through the air filter, the fan further operable to expel the drawn-in air through the one or more air outlets in the casing.

The invention relates to the field of air filtration, in particular to a method for rapidly preparing ZIF-8 / polypropylene melt-blown cloth fiber membranes in batches at low cost. Aiming at the problems of high cost, long preparation time, complex process and the like of the existing method for growing ZIF-8 on the surface of polypropylene melt-blown cloth to improve the air filtering performance, the invention provides a method for rapidly preparing ZIF-8 / polypropylene melt-blown fiber membranes in batches at low cost. The preparation method comprises the following steps: firstly, pretreating the surface of polypropylene melt-blown cloth by using an inorganic aqueous alkali solution, then sequentially putting the melt-blown cloth into a zinc ion aqueous solution and a 2-methylimidazole / N, N-dimethylformamide mixed aqueous solution under an ultrasonic condition, and drying to prepare the ZIF-8 / polypropylene melt-blown fiber membrane. According to the preparation method, water is taken as a main solvent, and a small amount of N, N-dimethylformamide is added into the water, so that rapid growth on polypropylene melt-blown cloth at a small molar ratio of 2-methylimidazole to zinc nitrate hexahydrate is realized, and the preparation method is suitable for large-scale industrial production for air filtration.

The invention relates to the technical field of air filters, in particular to an experimental system and method for detecting an air filter. The system comprises a support frame used for keeping the stability of the experiment system; the test chamber adopts a vertical test channel pipeline, the top and the bottom of the test chamber are respectively provided with a cylinder used for assembling and disassembling an air filter and an absolute filter, and the downstream of the test chamber is provided with double gas sampling ports which are used for separately sampling particulate matter and gas filtering performance tests; the fan subsystem is arranged above the test chamber and is used for simulating air flow under a working condition; the sensor module is used for monitoring various parameters in the testing process in real time; and the data acquisition and processing sub-module is used for receiving the data of the sensor module, analyzing and processing the data and generating a test report. According to the technical scheme, the detection precision can be improved, the test process is simplified, and the filter performance is comprehensively evaluated.

The invention relates to the technical field of tunnel ventilation and environmental protection, in particular to an efficient and energy-saving tunnel ventilation and dust removal integrated system. Data analysis and decision making; ventilation control; dust removal operation; and sewage treatment. The intelligent sensing module is installed in the tunnel, environment parameters of different positions can be accurately obtained in real time and transmitted to the central control system, the efficient and energy-saving draught fan is selected, the frequency conversion and speed regulation device is installed, energy consumption is reduced, and by arranging the air filtering device and the dust falling device, the dust falling efficiency is improved. The dust collection device and the dust blocking device arranged at the tunnel portal effectively control the air environment quality in the tunnel, sewage purification and cyclic utilization are achieved through sewage treatment, and the system is high in intelligent degree, can be flexibly adjusted according to the actual situation and is suitable for popularization and application. The problems that a traditional ventilation and dust removal mode is high in energy consumption, poor in effect, lack of intelligent control and the like are effectively solved, the health of constructors is guaranteed, and pollution to the surrounding environment is reduced.

An Air filtering device (1) configured to cleaning of air in a closed volume of air. (1) comprises in a direction (2) of an air flow at least one air filter unit (3). The air filter unit (3) comprises an air filter (5) arranged in a box-shaped housing (4). The air filtering device (1) further comprises an air moving unit (6) interconnected to and arranged downstream with respect to the air filter unit (3). The air moving unit (6) comprises a box-shaped housing (7) with an air inlet opening (8), configured to receive filtered air from the closed volume of air through the air filter unit (3) and with respect to the box-shaped housing (7) opposite an air outlet opening (9) comprising a constriction having a smaller diameter (10) than the diameter of the air inlet opening (8). The air moving unit (6) also comprises a fan (11) interconnected to the air outlet opening (9) configured to draw in the filtered air from the air filter unit into the box-shaped housing (7) through the air inlet opening (8) and to push the filtered air into an air distribution unit (12). The air distribution unit (12) comprising a box-shaped housing (13) interconnected to the fan (11) and having at least one air vent (14) to distribute the filtered air into the closed volume of air.

An air filtering device for an air conditioner, in particular for filtering out particles, preferably pollutants, from air is provided. The air filtering device comprises a flow path through which air flows along a flow direction, an ionizer for generating ions in the flow path, and grid structure made of an electrically conductive material, that is upstream of the ionizer in the flow path in the flow direction, which forms a first electrode. A filter is downstream of the ionizer in the flow path in the flow direction which has a layer that forms a second electrode. The air filtering device also comprises a high voltage power source that has an electric pole and an electric counter-pole for generating a high voltage between the pole and the counter pole. The pole is electrically connected to the ionizer, or its discharge electrode, and the counter-pole is electrically connected to the first and second electrodes.

The utility model provides an oil field oil extraction wastewater collecting device, which relates to the field of oil field oil extraction wastewater collecting equipment and comprises a collecting mechanism, the collecting mechanism comprises a collecting assembly and a separating assembly, the collecting assembly is used for collecting wastewater, and the separating assembly comprises a filter screen, an oil baffle plate and a barrier plate. The separation assembly is used for separating oil liquid in wastewater, an aeration assembly is arranged on the front side of the collection mechanism, the aeration assembly comprises a base, a Roots blower, an air guide pipe, an aeration nozzle and an air filter element, and the aeration assembly is used for generating aeration; by arranging the aeration assembly and the separation assembly, the effect of separating oil in waste water is achieved, the separation assembly is used for separating oil and water in the waste water, and the aeration assembly introduces bubbles into the waste water to enable grease and suspended solids to float, so that the oil can be separated; furthermore, the condition that the oil liquid pollutes the subsequent wastewater filtering module can be prevented.

A direct plug-in air purifier, including a front shell, a rear shell, an air ionizer, a fan, and a front cover. The front shell includes a recessed portion configured to hold a mechanical air filter. The rear shell is attached to the front shell and includes an air outlet. The air ionizer and the fan are disposed in a space defined between the front shell and the rear shell. The front cover is releasably attached to the front shell and configured to allow air to pass therethrough. The fan is configured to draw air through the front cover, the mechanical filter, and an air guide formed in the recessed portion, and to expel air through the air outlet.

An automobile air intake system that has a detachable transparent window assembly for visually inspecting the air filter is contemplated. A user may inspect the air filter by viewing the air filter through the transparent window assembly. Alternatively, the user may remove the window assembly from the air intake system to provide an unobstructed view of the filter. The window assembly may be releasably secured to an airbox with magnets and magnetic materials. The airbox and window assembly may be contoured about the air filter, to provide a larger section of the filter to be viewed and inspected.

The invention belongs to the technical field of air filter air permeability detection, and particularly relates to an air filter air permeability detection device which comprises a conveyor used for conveying an air filter to be detected; a first support is arranged on one side of the conveyor, a first hydraulic cylinder is installed on the side face of the first support, an inflator pump is arranged at the end of the output end of the first hydraulic cylinder, the two ends of the inflator pump are ventilated, and a fan is installed in the inflator pump. According to the air filter air permeability detection device, the air receiving cylinder and the inflator pump are arranged, during detection, the conveyor drives the air filter to be detected to a detection position, then the inflator pump and the air receiving cylinder are in butt joint with the air inlet and the air outlet of the air filter respectively, and the fan and the wind resistance detector are matched for detection; after detection is completed, the conveyor conveys the next air filter to a detection position, and circulating automatic detection is achieved; the device is high in detection efficiency, and is suitable for monitoring large-batch air filters.

An interior room air filter module has a particle filter element, an adsorption filter element, and a frame with a radially protruding seal flange surrounding them. The particle filter element has a folded pack with zigzag-folded layers of filter medium. The layers include a layer with an aerosol-separating filter medium, an inflow-side first layer, and an outflow-side second layer at the particle filter element. The first and second layers, for forming the folded pack, are folded while resting on each other. The adsorption filter element has shaped bodies in the form of honeycomb bodies which adsorb at least hydrocarbons. The seal flange laterally surrounds the adsorption filter element at a circumferential exterior wall thereof. A filter assembly has a filter housing for receiving such an air filter module and has first and second seal sections following a contour of the seal flange or seal attached thereto.

An apparatus has a tool having a tool plane and a handle. A longitudinal direction runs in the direction from the handle to the tool. An outer housing has an opening for cooling air. An electric motor is disposed in the housing and an air filter disposed on or in the opening. In a resting position on a horizontal plane, the base faces the plane. A cover lies opposite the base. A lateral surface interconnects cover and base. The outer housing, in a lateral view perpendicularly onto the tool plane, possesses a contour which in a projection onto the tool plane in the direction perpendicular to the tool plane delimits an imaginary housing surface. The filter in a projection onto the tool plane in the direction perpendicular to the tool plane possesses an outer contour delimiting an imaginary surface of at least 5% of the imaginary housing surface.

The invention discloses an indoor air filter, and relates to the technical field of air treatment, the indoor air filter comprises a machine body and an air duct, and further comprises a first partition plate, the top of the first partition plate is provided with a rotary drum, the outer wall of the rotary drum is provided with two through holes, and the through holes are internally provided with filter screens; the driving mechanism is used for driving the rotating drum to rotate; an air guide mechanism; a second partition plate; the linkage air control mechanism comprises an air cylinder mounted at the bottom of the second partition plate, a first piston mounted in the air cylinder and a lifting frame mounted at the top of the first piston; air is filtered by exchanging the two filter screens, the problem that in the prior art, the filter screens need to be cleaned after shutdown is solved, the continuous use effect of the air filter is guaranteed, the surfaces of the replaced filter screens are cleaned in a closed mode through the cleaning mechanism, and the cleaning efficiency is improved. And the directional dust removal mechanism is matched to timely and directionally guide out the cleaned dust impurities, so that the problem that the dust impurities are easily attached to the surface of the filter screen again and are difficult to clean thoroughly when the filter screen is cleaned is solved.

A transmission for an unmanned aerial vehicle is provided in which an arm driving a propeller may be disposed so as not to interfere with an air cleaner and a radiator. A transmission device for an unmanned aerial vehicle in which first to fourth arms are located at an upper portion of a fuselage and propellers are driven using an in-line four-cylinder engine, the transmission device comprising: a drive gear connected to a crankshaft; the clutch shaft driving gear is meshed with the driving gear; a bevel gear that drives a drive shaft, the drive shaft being perpendicular to the clutch shaft; a drive shaft base gear driven by the bevel gear; the top gear assembly comprises a driving shaft main gear, a left auxiliary gear meshed with the main gear, a reverse gear meshed with the main gear and a right auxiliary gear meshed with the reverse gear; the first bevel gear and the second bevel gear are meshed with the left auxiliary gear and drive the first arm and the second arm; and a third bevel gear and a fourth bevel gear engaged with the right pinion and driving the third arm and the fourth arm.

The invention discloses a wind turbine blade material degradation and recycling device in the technical field of wind turbine blade recycling, comprising a preheating tank and a Stirling engine, wherein the inner wall of the preheating tank is provided with a preheating chamber; the input end of the Stirling engine is connected with the preheating chamber, and the output end of the Stirling engine is provided with a crushing mechanism for crushing the wind turbine blades; a wind selection mechanism for screening wind turbine blade fragments is provided below the preheating tank, the wind selection mechanism comprises a base, a wind selection channel and a wind selection chamber are provided in the base, a recovery plate is provided in the wind selection chamber, a plurality of screening holes are provided on the recovery plate, and the screening holes are successively reduced in order from top to bottom; a fan is provided on the side of the recovery plate away from the wind selection channel, a heating chamber is further provided below the recovery plate, and an insulating mechanism for sealing the heating chamber is provided between the heating chamber and the recovery plate; the reuse rate of heat energy is improved by the Stirling engine and the wind selection mechanism, the wind turbine blades are preheated, and the processing efficiency of the blades is improved.

To provide a box shaped high performance air filter which can inhibit deformation of a container during earthquake and achieve high pressure resistance to decompression.SOLUTION: A box shaped high performance air filter 1 includes: a filter body 10 which filters air passing therethrough; a hexahedron container 20 which houses the filter body 10 and has an inlet nozzle 32 (1) for introducing air, and an outlet nozzle 32 (2) for discharging air which has been filtered by the filter body 10 and is located on a surface opposite to the inlet nozzle 32 (1); and a reinforcement material 40 fastened to the container 20. The filter body 10 is adhered to an inner surface of the container 20 and the natural frequency is 20 Hz or higher.SELECTED DRAWING: Figure 1

The invention relates to the technical field of asphalt pavement crack repairing and reinforcing devices, in particular to a portable asphalt pavement crack repairing and reinforcing device which comprises a stock bin, an isolation working bin, an air suction assembly, an air injection assembly and a material injection assembly. An isolation working bin is arranged at the bottom of the stock bin, an air filtering chamber is arranged in the isolation working bin, the two ends of the air filtering chamber are communicated with the air suction assembly and the air spraying assembly respectively, a discharging port of the stock bin is connected with the material spraying assembly through a backflow material pump, the backflow material pump is arranged in the isolation working bin, and a material injection port is formed in the stock bin. The invention further provides a repairing method, in the device, the gas spraying assembly sprays clean gas, the gas suction assembly sucks blown dirty dust gas, circulation is formed, dust is prevented from flying about when dust cleaning is completed, and the body health of an operator is protected; after the asphalt crack dust is cleaned, the material spraying assembly injects the crack pouring solution to fill the asphalt crack, the two operations are performed synchronously and do not interfere with each other, the repairing steps are simplified, and the asphalt crack repairing efficiency is effectively improved.

The utility model relates to the technical field of bag-type dust removal, in particular to a pulse-type bag-type dust remover. Comprising a shell, a top cover, supporting legs, an air inlet pipe, an air outlet pipe, an air conveying pipe, a nozzle, a dust removal cloth bag and a blow-off pipe, a fixing frame is fixedly installed below an inner cavity of the shell, a double-shaft motor is installed on the fixing frame, a scraper is fixedly installed at one end of an output shaft at the bottom of the double-shaft motor through a fixing rod, and a rotating plate is fixedly installed at one end of an output shaft at the top of the double-shaft motor; and a plurality of convex blocks capable of striking the dust collecting cloth bag are fixedly arranged on the rotating plate. Dust attached to the outer wall of the dust collecting bag can be completely removed, and the air filtering efficiency is guaranteed.

The utility model discloses a fast cooling type milk mixer which comprises a base, a kettle body connected to the base, a heating assembly and a cooling assembly. The cooling assembly comprises an air pump, a jet head and an air inlet head, the air pump is installed in the base, the jet head is installed in the kettle body, and the jet head is communicated with the air outlet end of the air pump through a ventilation pipeline and used for conveying air to water in an inner cavity of the kettle body; the air inlet head is arranged on the base, communicates with the exterior of the base and communicates with the air inlet end of the air pump through an air duct. External air is pumped and blown into the inner cavity of the kettle body through the air pump, hot water is stirred, and cooling of the hot water is accelerated. The air filter element is installed on the air inlet head, the cooling assembly is started, the air pump can feed air into the air spraying head in the kettle body after the air is filtered through the air filter element, and therefore rapid cooling is achieved. Air is purified through the air filter element, the sanitation problem of blown air during blowing cooling is avoided, and the blown air is cleaner and more sanitary.

An air conditioner unit may include a bulkhead defining an indoor portion and an outdoor portion, a vent aperture defined in the bulkhead, and a fan assembly for urging a flow of make-up air from the outdoor portion through the vent aperture to the indoor portion. The fan assembly includes a fan housing having two clamshell upper and lower portions that collectively define a fan slot, an arcuate filter slot, and a make-up air duct in fluid communication with the vent aperture. An auxiliary fan is positioned within the fan slot of the fan housing an air filter is positioned within the filter slot.

The invention discloses a gas compressor inlet air filtering device, and relates to the technical field of compressor inlet air filtering, the gas compressor inlet air filtering device comprises a base, a support frame, a fixed sleeve, a rotating sleeve, a filter screen, a partition plate, an air inlet pipe and a backflushing pipe, one side of the fixed sleeve is provided with a vent hole and an ash discharge hole, and the other side of the fixed sleeve is provided with an air inlet hole and a backflushing hole; the rotating sleeve is rotatably arranged in the fixed sleeve, the filter screen is fixedly arranged at one end of the rotating sleeve, the partition plates are fixedly arranged in the rotating sleeve and divide the rotating sleeve into a plurality of independent cavities, and one end of the air inlet pipe and one end of the backflushing pipe are slidably arranged in the air inlet hole and the backflushing hole respectively. And the other ends of the air inlet pipe and the back-flushing pipe are propped against the filter screen. The back-flushing cleaning process of the air inlet filtering device does not need to stop the operation of the compressor, so that the production continuity is ensured, the production efficiency is improved, the production stagnation time caused by shutdown is reduced, the overall production efficiency is improved, and the economic loss caused by shutdown is reduced.

A vaginal rejuvenation device includes a disposable safety shield with a support formation having an enclosure covering an entrance into a vaginal cavity. A nozzle facilitating connection to a medical vacuum generating a vacuum suction for removal of unwanted substances. The vacuum suction is generated by an air-suction utilized for cooling of a laser generator, wherein the support formation is connected to the laser air-vacuum cooling system. An air filter is provided for catching and storing the unwanted air-borne substances produced during vaginal laser treatment.