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NIBCO 4-in ABS Wye Fitting for Drain, Waste, Vent Systems in RVs and Mobile Homes - ASTM Standards D 3965, D 2661, D 3311, F 1498 Compliant

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  • Brings 2 ABS DWV branch lines into a horizontal drain pipe

  • Solvent weld connections

  • Never use primer with ABS

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