About the product
- End-of-pipe plug seals or holds pressure to test piping system
- Plugs open-ended 4 in. pipes
- Made with ABS glass-reinforced plates for added strength
- Mechanically seals only at the end of a pipe, preventing plug from falling into stack
- Rated for 17 PSI or 40 ft. of head pressure
- Can be used in long-term applications
- Plastic plug body will not rust or corrode
- Natural, chemical-resistant rubber O-ring for excellent expansion and memory
- Zinc-plated steel handle
- Galvanized carriage bolt to prevent corrosion
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