28" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 30 5/8" X 30 5/8"] Powder-Coat margin-right: 12px Compatible With Duct 7in Applications This sheet metal DDAG-A-1212
Yard notes & kiln story
Description
margin-right: 12px
+ Product Details Size - 30"w X 18"h is the size for the duct opening measurement only
actual front end outer dimensions are approximately 30 5/8" width X 20 5/8" height
They seamlessly integrate into sheet rock plaster frame ceilings as well
Perfect for both residential and commercial use
28" X 28" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 30 5 8" X 30 5 8"] Powder Coat margin right: 12px Compatible With Duct 7in Applications This sheet metal DDAG A 1212 margin right: 12px + Product Details Size 30"w X 18"h is the size for the duct opening measurement only