14" X 10" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 16 5/8" X 12 5/8"] flat stamped steel 3/8" - 4223 PSI

3/8" - 4223 PSI

Looks like it was just waxed

Operating from -40°F to +248°F

+ Product Details Size - 34"w X 28"h is the size for the duct opening measurement only

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14" X 10" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 16 5/8" X 12 5/8"] flat stamped steel 3/8" - 4223 PSI+ Product Details Size 14"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 16 5 8" width X 12 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