20" X 10" 2-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White 12" Diameter + Product Details Size –

+ Product Details Size – 8"w X 8"h is the size for the duct opening measurement only

and its seamless drop-in installation process ensures effortless setup

High Quality – High quality solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

excluding the old vent cover

20" X 10" 2-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White 12" Diameter + Product Details Size –+ Product Details Outer dimensions: 21. 75"W x 11. 75"H fits a 20" 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