36"W X 12"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 37.875"W X 13.875"H] Color_Aluminum + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212
Yard notes & kiln story
Description
+ Product Details Size - 20"w X 4"h is the size for the duct opening measurement only
[Outer Dimensions: 50
Actual Filter Size – 13 3/4"w x 19 3/4" x 1"
Rigid Gauge Steel
+ Product Details Size - 14"w X 8"h is the size for the duct opening measurement only
36"W X 12"H [Duct Opening] ALUMINUM RETURN GRILLE Easy Air Flow Linear Bar Grilles [Outer Dimensions: 37.875"W X 13.875"H] Color_Aluminum + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 20"w X 4"h is the size for the duct opening measurement only [Outer Dimensions: 50