20" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 20 5/8"] Color_White accordion-content') 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
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+ Product Details Size - 18"w X 32"h is the size for the duct opening measurement only
And is classified as Class 1 Fire Proof - B1
We pride ourselves on offering top-of-the-line products that meet the highest standards
but you will appreciate the benefits over the period of time
20" X 18" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 22 5 8" X 20 5 8"] Color_White accordion content') 4 X 12 Is CRFG2028 Width_14in accordion content') + Product Details Size 18"w X 32"h is the size for the duct opening measurement only