20" X 36" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 38 5/8"] Aluminum + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212
Yard notes & kiln story
Description
+ Product Details Size - 18"w X 12"h is the size for the duct opening measurement only
font-size: 18px
Design – Fixed hinged for easy filter change & cleaning - uses a 1" thick filter
No Sharp Surface Edges
+ Product Details Size - 25"w X 4"h is the size for the duct opening measurement only
20" X 36" Steel Return Air Filter Grille for 1" Filter Fixed Hinged [Outer Dimensions: 22 5 8" X 38 5 8"] Aluminum + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 18"w X 12"h is the size for the duct opening measurement only font size: 18px