PlumbShop Pipe Plug 3-in Combo Wrench

3-in test plug for cast iron or PVC pipe. Use to block open-ended pipe for DWV (drain, waste, vent) testing. Use for up to 2 PSI testing or as temporary plug. Helps avert dirt, dust and debris build up within pipe. Use with 3-in (91cm) plastic and iron pipe. Large, finger-tighten wings nuts make installation easy. Seal is constructed of a durable rubber seal.