New additions to the Speedfit advanced push-fit fitting system include CTS fittings that have been specifically designed for plumbing, plumbing repair and remodel. They are also suitable for applications in water filtration and are easy to install without the need for any tools. Speedfit’s 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. New fittings are available in the following sizes and configurations: • 3/8" CTS Union • 3/8" CTS x 1/2" NPT Male • 3/8" CTS Tee • 3/8" CTS Elbow.