12" X 6" 2-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White w28h28 diagonally feed it through the

diagonally feed it through the square hole

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

+ Product Details Size – 14"w X 32"h is the size for the duct opening measurement only

then you'll need a 14-inch round vent

+ Product Description Check out one of our most attractive and stylish grills

12" X 6" 2-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White w28h28 diagonally feed it through the+ Product Details Outer dimensions: 13. 75"W x 7. 75"H fits a 12" 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