16"W X 8"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 17.875"W X 9.875"H] 10in diameter + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 10"w X 20"h X 2"d (for duct opening measurement only)

you’ll provide ample protection for your equipment against harmful environmental factors such as

+ Product Spec Sheet Return Air Grille Spec Sheet

Actual Filter Size – 17 3/4"w x 31 3/4" x 1"

Total outer size of this grille is

16"W X 8"H [Duct Opening] ALUMINUM RETURN GRILLE EASY AIR FLOW LINEAR BAR GRILLES [OUTER DIMENSIONS: 17.875"W X 9.875"H] 10in diameter + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 10"w X 20"h X 2"d (for duct opening measurement only) you’ll provide ample protection for your equipment against harmful environmental factors such as