25" X 25" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Height_16in Perfect for both residential and Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Perfect for both residential and commercial use

Whether you need to create trunk lines or branch-like runs

+ Product Details Size – 20" x 26 or 26" x 20" is the size for the duct opening measurement only

The plastic material offers a lightweight solution to any project

+ Product Details Size - 8"w X 16"h X 2"d (for duct opening measurement only)

25" X 25" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER EASY AIR FLOW LINEAR BAR GRILLES Height_16in Perfect for both residential and Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Perfect for both residential and commercial use Whether you need to create trunk lines or branch like runs