30" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 32 5/8" X 18 5/8"] Return Grille [Outer Dimensions: 14 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
[Outer Dimensions: 14
Actual Filter Size – 29 3/4"w x 17 3/4" x 1"
The first number in a grille size represents the width
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+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 18" duct opening (measured at the opening)
30" X 16" Steel Return Air Filter Grille for 1" Filter Removable Frame Black [Outer Dimensions: 32 5 8" X 18 5 8"] Return Grille [Outer Dimensions: 14 4 X 12 Is CRFG2028 Width_14in [Outer Dimensions: 14 Actual Filter Size – 29 3 4"w x 17 3 4" x 1"