18" X 30" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 20 5/8" X 32 5/8"] steel actual front end outer dimensions

actual front end outer dimensions are approximately 27 5/8" width X 14 5/8" height

3 * insulation density is 30kgs/cbm = 0

+ Product Description Introducing HVAC Premium's Aluminum Adjustable Return Grill – the key to enhanced air control and energy efficiency

Solid Rigid Steel Body For Durability and Reliability

+ Product Details Size – 10"w X 30"h is the size for the duct opening measurement only

18" X 30" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 20 5/8" X 32 5/8"] steel actual front end outer dimensions+ Product Details Size 18"w X 30"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 20 5 8" width X 32 5 8" height 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 filter grille latch is easy to use on