30" X 26" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 28 5/8"] Fixed Blades with Damper actual front end outer dimensions

actual front end outer dimensions are approximately 16 5/8" width X 10 5/8" height

The 1/2" black insulation

High Quality Copper Coil Meets/Beats ASTM B280 Standard for Air Conditioning and Refrigeration (Made From C12200 - 99

+ Product Details Size – 34"w X 16"h is the size for the duct opening measurement only

+ Product Details Size - 28"w X 14"h is the size for the duct opening measurement only

30" X 26" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 28 5/8"] Fixed Blades with Damper actual front end outer dimensions+ Product Details Size 30"w X 26"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 5 8" width X 28 5 8" height Actual Filter Size 29 3 4"w x 25 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.