16" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 18 5/8" X 30 5/8"] sidewall Noise free components - no

Noise free components - no vibrating louvers etc

and are ready to go for the next job

875" height

Actual Filter Size – 23 3/4"w x 23 3/4" x 1"

16" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 18 5/8" X 30 5/8"] sidewall Noise free components - no+ Product Details Size 16"w X 28"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 18 5 8" width X 30 5 8" height Actual Filter Size 15 3 4"w x 27 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.