12" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 30 5/8"] fixed bar + Product Description Enhance your

+ Product Description Enhance your HVAC system with our Aluminum Return Filter Linear Bar Grille

and Diffusers

providing superior air distribution throughout your space

+ Product Details Size - 34"w X 4"h is the size for the duct opening measurement only

+ Product Details Size - 18"w X 36"h is the size for the duct opening measurement only

12" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 30 5/8"] fixed bar + Product Description Enhance your+ Product Details Size 12"w X 28"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 14 5 8" width X 30 5 8" height Actual Filter Size 11 3 4"w x 27 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