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- Sheet Metal Duct Starting Collar Product #: 45-12Model 45, 12" x 8", Hot Dip Galvanized Steel, Straight, Rectangular, Sheet Metal Duct Starting Collar Learn More
- Sheet Metal Duct Starting Collar Product #: 45-18Model 45, 18" x 8", Hot Dip Galvanized Steel, Straight, Rectangular, Sheet Metal Duct Starting Collar Learn More
- Sheet Metal Duct Collar Product #: 45-2010Model 45, 20" x 10", Hot Dip Galvanized Steel, Straight, Starting, Sheet Metal Duct Collar Learn More
- Sheet Metal Duct Collar Product #: 45-2610Model 45, 26" x 10", Hot Dip Galvanized Steel, Straight, Starting, Sheet Metal Duct Collar Learn More
- Sheet Metal Duct Collar Product #: 45-3010Model 45, 30" x 10", Hot Dip Galvanized Steel, Straight, Starting, Sheet Metal Duct Collar Learn More
- Sheet Metal Duct Starting Collar Product #: 45-10Model 45, 10" x 8", Hot Dip Galvanized Steel, Straight, Rectangular, Sheet Metal Duct Starting Collar Learn More
- Sheet Metal Duct Collar Product #: 45-2510Model 45, 25" x 10", Hot Dip Galvanized Steel, Straight, Starting, Sheet Metal Duct Collar Learn More
- Sheet Metal Duct Collar Product #: 45-28Model 45, 28" x 8", Hot Dip Galvanized Steel, Straight, Starting, Sheet Metal Duct Collar Learn More
- Sheet Metal Duct Starting Collar Product #: 45-14Model 45, 14" x 8", Hot Dip Galvanized Steel, Straight, Rectangular, Sheet Metal Duct Starting Collar Learn More
- Sheet Metal Duct Collar Product #: 45-1410Model 45, 14" x 10", Hot Dip Galvanized Steel, Straight, Starting, Sheet Metal Duct Collar Learn More
- Sheet Metal Duct Starting Collar Product #: 45-16Model 45, 16" x 8", Hot Dip Galvanized Steel, Straight, Rectangular, Sheet Metal Duct Starting Collar Learn More
- Sheet Metal Duct Collar Product #: 45-1610Model 45, 16" x 10", Hot Dip Galvanized Steel, Straight, Starting, Sheet Metal Duct Collar Learn More
- Sheet Metal Duct Collar Product #: 45-1810Model 45, 18" x 10", Hot Dip Galvanized Steel, Straight, Starting, Sheet Metal Duct Collar Learn More
- Sheet Metal Duct Starting Collar Product #: 45-20Model 45, 20" x 8", Hot Dip Galvanized Steel, Straight, Rectangular, Sheet Metal Duct Starting Collar Learn More
- Sheet Metal Duct Collar Product #: 45-22Model 45, 22" x 8", Hot Dip Galvanized Steel, Straight, Starting, Sheet Metal Duct Collar Learn More