Strong Sealing & No Leakage】: Our expandable couplings are made of PPSU material, which enables good sealing effects even after long-term use, avoids leakage caused by aging, wear and tear, etc.【High Impact Strength】: The PEX-a expansion coupling has good impact strength even at low temperatures, which is perfect for winter needs【Long Service Life】: The applicable durability allows it to last long for decades of service life in various applications 【Environmentally Friendly & Safe】: Our PEX-a expansion fittings are fully comply with US environmental standards and are widely applied for residential water supply systems.【Multi-purpose】: Topaipe expansion coupling fittings can be used in a variety of applications, such as water supply, heating and cooling systems.
