The SharkBite straight coupling is the easiest plumbing fitting to join any combination of Copper, PEX, CPVC, PE-RT or SRD9 HDPE pipe together. With no soldering, clamps, unions or glue required, it's as simple as inserting the pipe into the fitting deep enough to be sealed by our specially-formulated O-ring. Additional Details ------------------------------ Bullet point: VERSATILE PIPE CONNECTOR: The SharkBite U016LF straight coupling is an ideal solution for home improvement projects, designed to connect 3/4-inch tubing and copper tubing with ease. This push-to-connect fitting offers a tool-free installation, making it perfect for DIY enthusiasts and professionals alike. It’s an excellent choice for connecting water pipes and extending your system with reliable, leak-proof pipe fittings that are perfect for irrigation, water softener connectors, and more. Product description: The SharkBite straight coupling is the easiest plumbing fitting to join any combination of Copper, PEX, CPVC, PE-RT or SRD9 HDPE pipe together. With no soldering, clamps, unions or glue required, it's as simple as inserting the pipe into the fitting deep enough to be sealed by our specially-formulated O-ring.