20" X 4" 3-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White 18" Diameter Ideal for Walls & Ceilings:

Ideal for Walls & Ceilings: Designed for seamless installation in standard 18" X 6" duct openings

+ Product Details Size - 12"w X 34"h is the size for the duct opening measurement only

Upgrade today for better performance and cleaner air

Installation Location – Floor

This versatile solution enhances air supply and adds a touch of class to your space

20" X 4" 3-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White 18" Diameter Ideal for Walls & Ceilings:+ Product Details Outer dimensions: 21. 75"W x 5. 75"H fits a 20" 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