Vent Filter

Abstract

This article is made of nonwoven fabric, and is attached to the louver of an outdoor ventilation vent or a vent for indoor ventilation to prevent the louver from getting dirty. The method of attaching to the louver or vent is to attach the back side via an adhesive, adhesive tape, or hook-and-loop fastener. When attaching, cut it appropriately according to the size and shape of the louver or vent. By cutting along the perforations, it is possible to form ears of a roughly trapezoidal shape on the outer side of the filter. For example, when forming ears and attaching this article to the louver of an outdoor ventilation vent as shown in Reference Figures 1 and 2 showing the usage state, by attaching the ears formed with adhesive to the side of the louver, the filter is attached not only to the front side of the louver but also to the side side as shown in Reference Figure 2, so that it is possible to further prevent the filter from falling off the louver compared to when it is attached only to the front side of the louver. The pitch of the perforations is different depending on the part, taking into consideration ease of cutting. The same applies when attaching to an indoor vent.

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