28"W X 10"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 29.875"W X 11.875"H] 14in diameter 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 18 5/8" width X 10 5/8" height

background-color: #5296DD

but still light and handy

+ Product Description Introducing the 6" Butterfly Damper – Your Solution for Controlled Airflow

28"W X 10"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 29.875"W X 11.875"H] 14in diameter Insulation – A thick blanket+ Product Details Size 28"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 29. 875" width X 11. 875" height. High Quality High quality aluminum with counter sunk screw holes (screws included) and no sharp edges. Design Unrestricted airflow For Your HVAC system noise free components no vibrating louvers etc. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was