Rectangular Duct End Cap | 20" X 8" End Cap Aluminum Additionally Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Additionally

+ Product Details Size - 14"w X 24"h X 2"d (for duct opening measurement only)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 28" x 10" OR 10" x 28" duct opening (measured at the opening)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 34" or 34" x 12" duct opening (measured at the opening)

+ Product Details Size - 12"w X 8"h is the size for the duct opening measurement only

Rectangular Duct End Cap 20" X 8" End Cap Aluminum Additionally Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Additionally + Product Details Size 14"w X 24"h X 2"d (for duct opening measurement only)