36" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 22 5/8"] return grille is fireproof and ensures efficient

is fireproof and ensures efficient thermal performance

+ Product Details Size – 12"w X 30"h is the size for the duct opening measurement only

Powder-Coat Finish - Smooth

Works for every air conditioning & refrigeration application including ductless mini-split

actual front end outer dimensions are approximately 21

36" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 22 5/8"] return grille is fireproof and ensures efficient+ Product Details Size 36"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 38 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