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Cherne Test- Kap 5 in. Sealing Pipe Plug$10.70
Features: Mechanical Plug Made of flexible PVC Stainless steel hose clamp - will not rust Can be used on plastic, steel, copper, and cast-iron pipe Always block plugs when conducting air tests PVC Test-Kap Plugs are for use on plastic, steel copper and cast-iron pipe. Stainless steel hose clamp will not corrode. Reinforced cross-molded top increases strength.