30" x 30" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum Bar Actual Filter Size – 13 Compatible With Duct 7in Applications This sheet metal DDAG-A-1212
Yard notes & kiln story
Description
Actual Filter Size – 13 3/4"w x 19 3/4" x 1"
+ Product Details Size – 28"w X 30"h is the size for the duct opening measurement only
Actual Filter Size – 21 3/4"w x 11 3/4" x 1"
Vertical blades in the back
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30" x 30" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum Bar Actual Filter Size – 13 Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Actual Filter Size – 13 3 4"w x 19 3 4" x 1" + Product Details Size – 28"w X 30"h is the size for the duct opening measurement only