10" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 12 5/8" X 36 5/8"] Fixed Blades Exceptional Craftsmanship: Hand-inspected for quality

Exceptional Craftsmanship: Hand-inspected for quality

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 12" duct opening (measured at the opening)

Powder-Coat Finish - Smooth

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 20" OR 20" X 16" duct opening (measured at the opening)

How To Measure A Grille

10" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 12 5/8" X 36 5/8"] Fixed Blades Exceptional Craftsmanship: Hand-inspected for quality+ Product Details Size 10"w X 34"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 12 5 8" width X 36 5 8" height Actual Filter Size 9 3 4"w x 33 3 4" x 1" High quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter. Our filter