12" X 4" 3-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White Material_Steel with actual outer dimensions of

with actual outer dimensions of 20

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

actual front end outer dimensions are approximately 22 5/8" width X 12 5/8" height

+ Product Details Size - 36"w X 22"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 24 5/8" width X 10 5/8" height

12" X 4" 3-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White Material_Steel with actual outer dimensions of+ Product Details Outer dimensions: 13. 75"W x 5. 75"H fits a 12" X 4" 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 supply