Allows for testing of the DWV systemUses an integrally molded test cap that prevents debris from entering the drain line during rough-inProven performance, improved designHas six different connection types, in ABS or PVC, one piece or with a corrosion resistant, 430 stainless steel swivel ringCorrosion resistant 430 stainless steel swivel ring is engineered for maximum strengthKnockout will not break apart and cannot fall down drain pipeHolds five floors (22 psi) for head test
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