24" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 26 5/8" X 26 5/8"] 18" Round Duct Pipe you can't go wrong with 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
you can't go wrong with this decorative grill
and smooth surface
+ Product Details Size - 6"w X 28"h is the size for the duct opening measurement only
+ Product Details Size - 10"w X 36"h is the size for the duct opening measurement only
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24" X 24" Steel Return Air Filter Grille for 1" Filter Removable Frame * Filter Included * [Outer Dimensions: 26 5 8" X 26 5 8"] 18" Round Duct Pipe you can't go wrong with 4 X 12 Is CRFG2028 Width_14in you can't go wrong with this decorative grill and smooth surface