Rectangular Duct End Cap | 28" X 10" End Cap Material_Copper + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 48"w X 24"h is the size for the duct opening measurement only

+ Product Details Size - 32"w X 10"h X 2"d (for duct opening measurement only)

it provides a seamless solution for noise control

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 24" OR 24" x 30" duct opening (measured at the opening)

How To Measure A Floor RegisterOverall Size: Measure the size of the opening

Rectangular Duct End Cap 28" X 10" End Cap Material_Copper + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 48"w X 24"h is the size for the duct opening measurement only + Product Details Size 32"w X 10"h X 2"d (for duct opening measurement only)