SharkBite U280LF Elbow 1/2 in MNPT x 1/2 in . The Elbow allows you to easily add another line off of existing plumbing. It can be used to connect to CPVC, copper, or PEX tubing. Simply cut the pipe and push on the fitting. SharkBite fittings can easily be removed and are reusable. Approved to be used underground and behind walls without access panels. Fittings are certified to 200 PSI and 180° Fahrenheit (82° Celsius). Integral tube liner for PEX installations which means no loose connections. Made of DZR (dezincification resistant) brass which provides a strong, durable fitting that is corrosion resistant. The SharkBite design is certified to ANSI/NSF-61 and ASSE 1061 product standard for use in potable water and hydronic heating water distribution. Designed for hydronic heating as well as potable water distribution. Please consult your local plumbing codes for specific applications. Product is lead free.