10" X 10" 3-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White Height_26in Performance – High diffusion induction

Performance – High diffusion induction rates result in rapid temperature and velocity equalization of the mixed air mass well above the zone of occupancy

Actual Filter Size – 21 3/4"w x 27 3/4" x 1"

LIGHTWEIGHT AND DURABLE CONSTRUCTION: Made of injection molded polypropylene that is light and easy to maneuver but rugged for long-lasting use even in extreme weather

+ Product Details Size – 20"w X 34"h is the size for the duct opening measurement only

+ Product Details Size – 12" x 20" is the size for the duct opening measurement only

10" X 10" 3-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White Height_26in Performance – High diffusion induction+ Product Details Outer dimensions: 11. 75"W x 11. 75"H fits a 10" X 10" duct opening Durable stamped steel construction ensures long lasting performance Designed for sidewall and ceiling installation with included screws Multi shutter damper with easy lever for precise airflow control Smooth powder coated white finish for a sleek look and scratch resistance + Product Description Maximize your homes airflow with this premium Air Supply Grille air