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- Sheet Metal Duct Starting Collar Product #: 45-08Model 45, 8" x 8", Hot Dip Galvanized Steel, Straight, Rectangular, Sheet Metal Duct Starting Collar Learn More
- Sheet Metal Duct Collar Product #: 45-1210Model 45, 12" x 10", Hot Dip Galvanized Steel, Straight, Starting, Sheet Metal Duct Collar Learn More
- Sheet Metal Duct Collar Product #: 45-24Model 45, 24" x 8", Hot Dip Galvanized Steel, Straight, Starting, Sheet Metal Duct Collar Learn More
- Sheet Metal Duct Collar Product #: 45-2410Model 45, 24" x 10", Hot Dip Galvanized Steel, Straight, Starting, Sheet Metal Duct Collar Learn More
- Sheet Metal Duct Collar Product #: 45-26Model 45, 26" x 8", Hot Dip Galvanized Steel, Straight, Starting, Sheet Metal Duct Collar Learn More
- Sheet Metal Duct Collar Product #: 45-30Model 45, 30" x 8", Hot Dip Galvanized Steel, Straight, Starting, Sheet Metal Duct Collar Learn More