CPC F24F 13/084 (2013.01) [A61L 9/013 (2013.01); A61L 9/12 (2013.01); A61L 9/127 (2013.01); A61L 2209/16 (2013.01); A61L 2209/21 (2013.01)] | 36 Claims |
11. A heating, ventilating, and air-conditioning system, comprising:
a vent comprising a plurality of airflow apertures;
a vent cover removably coupled to the vent, the vent cover comprising:
a pliable lamella with an exposed side and a vent side, the pliable lamella having an outer perimeter;
a fastener presented from the vent side of the pliable lamella, the fastener removably fastening the pliable lamella to the vent with the vent side of the lamella facing the vent; and
a pattern cut into the pliable lamella, the pattern defining a plurality of openings to allow airflow from the vent through the pliable lamella, wherein the plurality of openings account for a majority of an area defined by the outer perimeter of the pliable lamella, the openings of the pliable lamella in fluid communication with the airflow apertures of the vent.
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