iSpring LittleWell Push Fit Lead-Free Brass Coupling is the easiest way to connect 2 plumbing pipes in residential and commercial applications. The coupling features lead-free solid brass body with push-fit connection and solid seals. iSpring LittleWell Push Fit fittings allow you to join copper, CPVC or PEX pipe in any combination with no glue, soldering, clamps or unions. Just insert the pipe and the inside stainless steel teeth bite down and grip tight, while a specially formulated O-ring compresses to create a perfect seal. Disassembly is also easy by using the simple removal tool so fittings and valves can be easily separated and reused. It can also be used for waste water processing.