34" x 25" Steel Return Air Filter Grill for 1" Filter Removable Face/Door Color_Brown + Product Details Size –

+ Product Details Size – Duct end cap is 14" X 8" | 26-gauge galvanized steel end cap

this stick-on collar with damper efficiently facilitates the delivery and removal of air

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

+ Product Details Size & Compatibility – The 5" sheet metal 45-degree oval Flat duct angle is compatible with duct 5"

actual front end outer dimensions are 33

34" x 25" Steel Return Air Filter Grill for 1" Filter Removable Face/Door Color_Brown + Product Details Size –+ Product Details Size 34"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 36 5 8" width X 27 5 8" height Actual Filter Size 33 3 4"w x 24 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.