16" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 18 5/8" X 18 5/8"] Adjustable Return positioning supply and return grills Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

positioning supply and return grills accordingly

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High Quality – High quality solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

+ Product Details Size - 32"w X 32"h is the size for the duct opening measurement only

+ Product Details Size - 36"w X 22"h is the size for the duct opening measurement only

16" X 16" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 18 5 8" X 18 5 8"] Adjustable Return positioning supply and return grills Compatible With Duct 7in Applications This sheet metal DDAG A 1212 positioning supply and return grills accordingly accordion header h2