18" X 4" 2-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White 3-Way or 4-Way + Product Details Size –

+ Product Details Size – 18"w X 28"h is the size for the duct opening measurement only

14" Diameter Is The Size For The Duct Opening Measurement Only

Crafted meticulously from high-quality steel

Solid Rigid Steel Body For Durability and Reliability

+ Product Details Size – 14"w X 10"h is the size for the duct opening measurement only

18" X 4" 2-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White 3-Way or 4-Way + Product Details Size –+ Product Details Outer dimensions: 19. 75"W x 5. 75"H fits a 18" 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