When pressures reach supercritical levels, there’s nothing like the Pop-A-Plug® P2 Tube Plugging System. A proven long-term performer in fossil and nuclear stations, Pop-A-Plug® P2 Tube Plugs feature patented internally serrated rings designed to maintain a leak-tight seal under extreme thermal and pressure cycling. The Pop-A-Plug® P2 Tube Plugging System reduces downtime, eliminates welding and explosives, and will not damage your tubes, tubejoints or tubesheet. Kits include ten (10) plugs, one (1) tube preparation brush, and one (1) Go/No-Go Gage.