Sharkbite push-fit x FNPT lead-free brass elbow, used to make a 90 transition between PEX, copper, CPVC, PE-RT or HDPE pipe to an FNPT threaded connection. Innovative push-to-connect design makes for quick and easy transition between PEX, copper, CPVC, PE-RT or HDPE pipe to an FNPT threaded connection. Ideal for working in tight spaces. Faster install time and ease of use reduces installation errors.