Patent ID: 9011565
Filing Date: 2015-04-21
Classification: B01D,F24F,Y10S

Abstract:
1. An attachable air vent filter assembly for attachment to an air vent register of a HVAC system located in an interior space comprising: a filter housing having sidewalls and an open top; said sidewalls being adapted to fit over the vent register; a removal filter carried within said housing having a filter medium for filtering air exiting from said vent register; at least one attachment member for securing said filter housing above said vent register in the direction of airflow; at least one air exit opening in the top of said housing for delivering air filtered by said filter medium directly into said interior space; wherein at least one of said sidewalls includes a perimeter housing flange that fits over a vent register flange to effectively cover said vent register; and wherein all said housing flanges include a contoured lip covering an outside edge of said vent register flange.