10" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 12 5/8" X 20 5/8"] w36h36 HVAC Premium has been providing

HVAC Premium has been providing superior quality service for many years

Actual Filter Size – 24 3/4"w x 29 3/4" x 1"

Its linear bar design maximizes ventilation

+ Product Details Size - 32"w X 25"h is the size for the duct opening measurement only

Insulation – A thick blanket of fiberglass insulation provides you with an R-Value of 8

10" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 12 5/8" X 20 5/8"] w36h36 HVAC Premium has been providing+ Product Details Size 10"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 12 5 8" width X 20 5 8" height Actual Filter Size 9 3 4"w x 17 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. Our