18" X 18" 4-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White Filter Grille + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 10" duct opening (measured at the opening)

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

5" width x 13

This simple adjustment reduces HVAC strain

The crank handle lever makes it easy to adjust to every weather situation

18" X 18" 4-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White Filter Grille + Product Details Perfect Fit+ Product Details Outer dimensions: 19. 75"W x 19. 75"H fits a 18" X 18" 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