30" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 32 5/8" X 18 5/8"] Insulated Line line-height: 22px

line-height: 22px

+ Product Details High Quality - Aluminum housing on the outside and on the inside for the best insulation value

actual front end outer dimensions are approximately 8

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

you can watch this informative video tutorial: How to Measure Your Vent Hole Before Ordering a Grille

30" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 32 5/8" X 18 5/8"] Insulated Line line-height: 22px+ Product Details Size 30"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 5 8" width X 18 5 8" height Actual Filter Size 29 3 4"w x 15 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.