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- Sheet Metal Duct Reducer/Increaser Product #: 66-87Model 66, 8" x 7", 28 Gauge, Hot Dip Galvanized Steel, No Crimp, Tapered, Sheet Metal Duct Reducer/Increaser Learn More
- Sheet Metal Duct Reducer/Increaser Product #: 66-127Model 66, 12" x 7", 26 Gauge, Hot Dip Galvanized Steel, No Crimp, Tapered, Sheet Metal Duct Reducer/Increaser Learn More
- Sheet Metal Duct Reducer/Increaser Product #: 66-107Model 66, 10" x 7", 26 Gauge, Hot Dip Galvanized Steel, No Crimp, Tapered, Sheet Metal Duct Reducer/Increaser Learn More
- Sheet Metal Duct Reducer Product #: 66-97Model 66, 9" x 7", 26 Gauge, Hot Dip Galvanized Steel, Tapered, Round, Sheet Metal Duct Reducer Learn More
- Sheet Metal Duct Increaser/Reducer Product #: 902087Model 9020, 8" x 7", Mill Finish Black Scratch Resistant Steel, No Crimp, Sheet Metal Duct Increaser/Reducer Learn More