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- Sheet Metal Duct Swivel Tee Product #: ST-644Model ST, 6" x 4" x 4", Hot Dip Galvanized Steel, Sheet Metal Duct Swivel Tee Learn More
- Sheet Metal Duct Water Heater Tee Product #: 421-6444Model 421, 6" x 4" x 4", Hot Dip Galvanized Steel, 45D, Sheet Metal Duct Water Heater Tee Learn More