12" X 12" 4-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, Black Compatible With Duct 10in actual front end outer dimensions

actual front end outer dimensions are approximately 34 5/8" width X 27 5/8" height -

actual front end outer dimensions are approximately 10 5/8" width X 14 5/8" height

Quality Packaging – Every part is hand inspected for quality before it is packaged

+ Product Details Size – 20"w X 18"h is the size for the duct opening measurement only

Actual Filter Size – 21 3/4"w x 35 3/4" x 1"

12" X 12" 4-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, Black Compatible With Duct 10in actual front end outer dimensions+ 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