18" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 20 5/8" X 20 5/8"] 8" Round Duct Pipe High Quality –High quality solid Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

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

Measure the size of the air duct/drywall opening

+ Product Details Size - 10"w X 30"h is the size for the duct opening measurement only

Actual Filter Size – 25 3/4"w x 31 3/4" x 1"

+ Product Details Size – 26"w X 6"h is the size for the duct opening measurement only

18" X 18" Steel Return Air Filter Grille for 1" Filter Removable Frame * Filter Included * [Outer Dimensions: 20 5 8" X 20 5 8"] 8" Round Duct Pipe High Quality –High quality solid Compatible With Duct 7in Applications This sheet metal DDAG A 1212 High Quality –High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Measure the size of the air duct drywall opening