30" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 32 5/8" X 22 5/8"] Insulated Line + Product Details Size –

+ Product Details Size – 16"w X 6"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 22 5/8" width X 10 5/8" height

the actual front end outer dimensions are 10" in diameter

+ Product Details Size - 18"w X 20"h is the size for the duct opening measurement only

reducing electric bills and extending HVAC machine lifespan

30" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 32 5/8" X 22 5/8"] Insulated Line + Product Details Size –+ Product Details Size 30"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 5 8" width X 22 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