36" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 22 5/8"] RG66 Black-HP + Product Details Size –

+ Product Details Size – 25"w X 12"h is the size for the duct opening measurement only

Each grille is carefully packaged with cardboard backing to prevent damage during shipment

we have assisted countless contractors

Designed for both wall and ceiling applications

Our coils have a a very high PSI burst pressure

36" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 22 5/8"] RG66 Black-HP + Product Details Size –+ 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