20 W x 20 H [Duct Opening Measurements] Steel Return Air Filter Grille [Fixed Hinged] for 1-inch Filters Vent Cover Grill for Sidewall and Ceiling White Outer Dimensions 22 5/8 W X 22 5/8 H
- Always measure the wall opening to determine which size you should order. Wall Opening Size = Listed Size. If the hole on the wall is 20"(W)x20"(H)....
- Handua Return Air Filter Grille used for sidewall or ceiling openings. Our Return Air Filter Grilles do not require screwdriver to open, you can....
- The fixed hinged return air filter grille is recommended for ceiling, this Grill uses a 1" thick filter (not included)..
- Using our Return Air Filter Grille within your ventilation system will improve your home air circulation. The steel is stamped so there is no sharp....
- Durable white powder coated, made of high quality steel..