16" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 18 5/8" X 18 5/8"] 8in diameter + Product Spec Sheet Aluminum

+ Product Spec Sheet Aluminum Return Filter Grille Spec Sheet

Copper coil line set fits most ductless mini split air conditioners

+ Product Details Size – 6"w X 12"h is the size for the duct opening measurement only

designed for both sidewall and ceiling installations

16" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 18 5/8" X 18 5/8"] 8in diameter + Product Spec Sheet Aluminum+ Product Details Size 16"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 18 5 8" width X 18 5 8" height Actual Filter Size 15 3 4"w x 15 3 4" x 1" High Quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter.