Intranasal cannula apparatus filters air through nasal and dorsal openings, resolving the trade-off between filtration coverage and user comfort.
Dual air supply holes in the fan module create separate channels for fresh and used air, reducing motor load and extending filter life.
Peltier heat pump transfers heat from inhaled air to reduce thermal discomfort and humidity buildup inside the mask.
Snap-fitting secures the exhaust filter in the housing, preventing hazardous gas release into the atmosphere.
Flexible mask body with nested design reduces storage bulk while modular filters maintain protection effectiveness against contaminants.
Deflecting lip generates laminar airflow to protect uncovered face regions from contaminants without ocular fogging.
A protective mask integrates a check valve and straw attachment to allow beverage consumption through the device.