30" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 26 5/8"] return grille Noise free components - no

Noise free components - no vibrating louvers etc

Simplified Installation: Our Butterfly Damper ensures easy setup

actual front end outer dimensions are approximately 38 5/8" width X 12 5/8" height -

actual front end outer dimensions are 16" width X 10" height

actual front end outer dimensions are 21

30" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 26 5/8"] return grille Noise free components - no+ Product Details Size 30"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 5 8" width X 26 5 8" height Actual Filter Size 29 3 4"w x 23 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.