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New black fittings for water filtration/softener installations also are suitable for applications in plumbing repair and remodel, marine and RV. Speedfit black fittings are available in ¾- and 1-in. CTS sizes in a variety of configurations. These new additions are lead free, UV resistant and easy to install without the use of tools. Unique patented Lock & Twist technology, featuring a collet with stainless steel gripping teeth and an EPDM O-ring, ensures leak-free connections. Fittings are IAPMO approved, NSF certified and can be used with copper CPVC or PEX pipe.