20 w X 20 h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions 21.75 w X 21.75 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)x30"(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 door/face is removable for easy filter change and cleaning, this Grill uses a 1" thick filter (not included)..
- Using our Return Air Filter Grille within your ventilation system will improve your home circulation. The steel is stamped so there is no sharp edges..
- Durable white powder coated, high quality steel removable face allows easy access to replace air filter..