20" X 6" 2-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White rg1010 + Product Details Outer dimensions:

+ Product Details Outer dimensions: 19

Made of strong ABS plastic

actual front end outer dimensions are approximately 38 5/8" width X 32 5/8" height -

this easy-to-install grille fits seamlessly into any standard return filter opening

+ Product Details Size - 30"w X 16"h is the size for the duct opening measurement only

20" X 6" 2-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White rg1010 + Product Details Outer dimensions:+ Product Details Outer dimensions: 21. 75"W x 7. 75"H fits a 20" X 6" 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