34" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 36 5/8" X 30 5/8"] w16h16 + Product Description Maximize HVAC

+ Product Description Maximize HVAC efficiency with our aluminum eggcrate return air filter grille

Actual Filter Size – 24 3/4"w x 25 3/4" x 1"

+ Product Details Size – 14"w X 26"h is the size for the duct opening measurement only

Copper coil line set fits most ductless mini split air conditioners

+ Product Details Size – 12"w X 8"h is the size for the duct opening measurement only

34" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 36 5/8" X 30 5/8"] w16h16 + Product Description Maximize HVAC+ Product Details Size 34"w X 28"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 36 5 8" width X 30 5 8" height Actual Filter Size 33 3 4"w x 27 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.