Patent ID: 9631825
Date: 2017-04-25
CPC Classifications: B01D,F24F

Claim:
1. An air filter assembly configured to deliver filtered air to a room, the air filter assembly comprising: a main housing configured for connection to a plenum and having at least first and second surfaces that define an interior of the main housing, wherein the first surface differs from the second surface; one or more first air filters proximate to the first surface, wherein the one or more first air filters is configured to discharge a first portion of filtered air through the first surface in a first direction to discharge the air from the interior of the main housing; and one or more second air filters proximate to the second surface, wherein the one or more second air filters is configured to discharge a second portion of filtered air through the second surface in a second direction that differs from the first direction to discharge the air from the interior of the main housing, wherein each of the one or more first air filters and the one or more second air filters comprises: a filtering medium configured to filter contaminants from the air; and an air-regulating device secured to the filtering medium, wherein the air-regulating device is configured to be selectively opened and closed.