8" X 4" 1-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White Color_Anodized Aluminum actual front end outer dimensions

actual front end outer dimensions are 9

it effectively prevents unauthorized access

Design – Individually adjusting curved blades for better air flow control

For a visual guide on how to measure your vent hole before ordering a grille

actual front end outer dimensions are approximately 22 5/8" width X 34 5/8" height -

8" X 4" 1-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White Color_Anodized Aluminum actual front end outer dimensions+ Product Details Outer dimensions: 9. 75"W x 5. 75"H fits a 8" 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