ProLock Male Connectors from John Guest USA are available in 3/8-inch CTS by 1/2-inch NPT to 1-inch CTS by 1-inch NPT sizes. The connectors simplify installations and are idea for under-the-counter filter housings. Its body is manufactured from high-quality engineered black thermoplastic, making them UV-resistant. The lead-free fittings are suitable for use with copper, PEX or CPVC pipe and require no tools to make secure, leak-proof connections. 973/808-5600; www.johnguest.com.
