This 20mm Screwed Plug provides a BSP male threaded end cap to blank off female-threaded fittings, ports, and pipe ends. Manufactured from rigid PVC for chemical resistance and corrosion-free service in water supply and irrigation applications. Useful for pressure testing, isolating unused ports, and providing a removable closure in threaded PVC systems. Simply thread in by hand and tighten with a wrench using PTFE thread tape for a leak-free seal.