28" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 30 5/8" X 14 5/8"] Floor Grille + Product Details Size - Product Details Perfect Fit MCSB1616 Blade

+ Product Details Size - 32"w X 22"h is the size for the duct opening measurement only

+ Product Details Size – 25"w X 30"h is the size for the duct opening measurement only

Effortless Integration: Crafted for easy connection to supply grilles of drop ceiling T-Bar vent covers

7/8" Insulated Copper Coil Line - Seamless Pipe Tube for HVAC

+ Product Details Size - 18"w X 10"h is the size for the duct opening measurement only

28" X 12" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 30 5 8" X 14 5 8"] Floor Grille + Product Details Size Product Details Perfect Fit MCSB1616 Blade + Product Details Size 32"w X 22"h is the size for the duct opening measurement only + Product Details Size – 25"w X 30"h is the size for the duct opening measurement only