36" X 12" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 14 5/8"] w28h28 + Product Details Size –

+ Product Details Size – 30"w X 30"h is the size for the duct opening measurement only

allowing unrestricted airflow for optimal HVAC performance

+ Product Description When it's time to upgrade your HVAC Vents in your house

+ Product Details Size - 16"w X 12"h is the size for the duct opening measurement only

heat pump and centralized air ducted units

36" X 12" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 14 5/8"] w28h28 + Product Details Size –+ Product Details Size 36"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 38 5 8" width X 14 5 8" height High Quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Ceiling Design Fixed hinged for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on your fingers and