Horobin’s end of pipe testing/sealing plugs are for temporary sealing of new pipework on construction sites. The end of pipe testing or sealing plugs are easier to use than traditional Test Plugs as they fit flush onto the end of the pipe. Available from 50mm up to 250m diameter, these plugs can be supplied with or without a Waterway/Airway and are also zinc plated corrosion resistant to 90 hours salt spray test.