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- Sheet Metal Duct Reducer Product #: 66-74Model 66, 7" x 4", 28 Gauge, Hot Dip Galvanized Steel, Tapered, Round, Sheet Metal Duct Reducer Learn More
- Sheet Metal Duct Reducer Product #: 66-75Model 66, 7" x 5", 28 Gauge, Hot Dip Galvanized Steel, Tapered, Round, Sheet Metal Duct Reducer Learn More
- Sheet Metal Duct Reducer/Increaser Product #: 66-73Model 66, 7" x 3", 28 Gauge, Hot Dip Galvanized Steel, No Crimp, Tapered, Sheet Metal Duct Reducer/Increaser Learn More
- Sheet Metal Duct Reducer Product #: 66-76Model 66, 7" x 6", 28 Gauge, Hot Dip Galvanized Steel, Tapered, Round, Sheet Metal Duct Reducer Learn More