36" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 38 5/8" X 36 5/8"] w12h12 Carefully Shrink Wrapped With Cardboard

Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment

+ Product Details Size – 10"w X 32"h is the size for the duct opening measurement only

9% Pure Copper meeting ASTM B280 standards

actual front end outer dimensions are approximately 22 5/8" width X 27 5/8" height

+ Product Details Size - The listed 6" diameter refers specifically to the size of the duct opening

36" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 38 5/8" X 36 5/8"] w12h12 Carefully Shrink Wrapped With Cardboard+ Product Details Size 36"w X 34"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 38 5 8" width X 36 5 8" height Actual Filter Size 35 3 4"w x 33 3 4" x 1" High Quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter.