18" X 8" 2-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White rg1010 actual front end outer dimensions

actual front end outer dimensions are approximately 34 5/8" width X 18 5/8" height

+ Product Details Size – 34"w X 24"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 28 5/8" width X 30 5/8" height

Ideal for Walls & Ceilings: Designed for seamless installation in standard 12" X 10" duct openings

18" X 8" 2-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White rg1010 actual front end outer dimensions+ Product Details Outer dimensions: 19. 75"W x 9. 75"H fits a 18" X 8" 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