12" X 12" 4-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, Black w25h25 Insulation – A thick blanket

Insulation – A thick blanket of fiberglass insulation provides you with an R-Value of 8

actual front end outer dimensions are approximately 27 5/8" width X 36 5/8" height

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2 recessed screw holes on each side with screws included

75" width X 21

12" X 12" 4-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, Black w25h25 Insulation – A thick blanket+ Product Details Outer dimensions: 13. 75"W x 13. 75"H fits a 12" X 12" 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