This elbow union coupling is for connecting copper, and aluminum plastic composite pipes. The quick-connect feature saves , allowing for an . The copper fittings are durable, ensuring in your RV's water system. - ColorGolden-Material:Copper- Size: 5.00X4.50X1.60cm/1.97X1.77X0.63in- the push to connect feature allows for a setup, eliminating the need-Copper: constructed from copper material, offering durability for tools or skills-Flexible application: for use in rv water systems, providing a reliable connection for various plumbing needs-Leakproof design: ensures a tight seal, preventing water leaks and maintaining the integrity of your rv's plumbing system-Space saving solution: the 90 degree angle design helps to optimize space, making it easier to manage and organize your water pipes : 1 connector