18" X 14" Steel Return Air Filter Grille for 1" Filter - Fixed Hinge - [Outer Dimensions: 20 5/8" X 16 5/8"] 18" Diameter Actual Filter Size – 19

Actual Filter Size – 19 3/4"w x 13 3/4" x 1"

+ Product Description Enhance your ventilation system with our high-quality grilles and registers

+ Product Details Size - 4"w X 30"h is the size for the duct opening measurement only

+ Product Details Size – 12"w X 8"h is the size for the duct opening measurement only

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18" X 14" Steel Return Air Filter Grille for 1" Filter - Fixed Hinge - [Outer Dimensions: 20 5/8" X 16 5/8"] 18" Diameter Actual Filter Size – 19+ Product Details Size 18"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 20 5 8" width X 16 5 8" height. High Quality high quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Ceiling Design Fixed hinged for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on your fingers and