Sharkbite, 5 Pack, 1/2", Poly Pex Elbow, Alloy Barb, Easy To Install, Low Cost Solution To Connect To Pex Tubing At A 90 Degree Angle, Suitable For Potable Water Distribution & Hydronic Heating Applications, For Use With A Stainless Steel Clamp System Or A Copper Crimp Ring System, Not Included.