12" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 16 5/8"] w34h34 + Product Details Size –

+ Product Details Size – 14" x 30" or 30" x 14" is the size for the duct opening measurement only

Mounted with a frame and bayonet joint

+ Product Details Size - 22"w X 18"h is the size for the duct opening measurement only

+ Product Description Upgrade your HVAC system with a high-quality aluminum return grille designed for a clean

12" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 16 5/8"] w34h34 + Product Details Size –+ Product Details Size 12"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 14 5 8" width X 16 5 8" height Actual Filter Size 11 3 4"w x 13 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