22" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 24 5/8" X 36 5/8"] sidewall + Product Details Size –

+ Product Details Size – 22"w X 22"h is the size for the duct opening measurement only

The grille features counter-sunk screw holes that prevent paint from peeling during installation

this grille offers durability and resistance to rust and corrosion

And is classified as Class 1 Fire Proof - B1

+ Product Details Size – 8" x 14" or 14" x 8" is the size for the duct opening measurement only

22" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 24 5/8" X 36 5/8"] sidewall + Product Details Size –+ Product Details Size 22"w X 34"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21 5 8" width X 33 5 8" height 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. Our filter grille latch is easy to use on