36" x 25" Steel Return Air Filter Grill for 1" Filter Removable Face/Door R-6.0 insulation allow you to customize airflow

allow you to customize airflow direction with ease

+ Product Details Size – 22"w X 18"h is the size for the duct opening measurement only

+ Product Details Size & Compatibility – The size of sheet metal pipe is 12" round x 10' long

actual front end outer dimensions are 19" Width X 13" Height

actual front end outer dimensions are approximately 22" width X 16" height

36" x 25" Steel Return Air Filter Grill for 1" Filter Removable Face/Door R-6.0 insulation allow you to customize airflow+ Product Details Size 36"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 38 5 8" width X 27 5 8" height Actual Filter Size 35 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.