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- Hart & Cooley® Duct Tee, Series: RT Series, 4 in, 7-1/4 in Length, For Use With: Type B Gas Vent Systems, Steel, Galvanized, Domestic
- 0.018 in thick G-90 galvanized steel
- 0.012 in thick aluminum inner
- FinishGalvanizedMaterialSteelShapeRoundSize4 x 4 x 4 inTypeDuct TeeDiameter4 inLength7-1/4 inManufacturerHart & CooleyManufacturer #4RT4SeriesRTSuitable For Use WithType B Gas Vent Systems