Sungator 10-Pack Pex Ball Valve 1/2 Inch, Full Port 1/4 Turn, Upc Certified ?Package Includes?: PEX B ball valve set includes 5 pack 1/2" red PEX B shut off ball valve + 5 pack 1/2" blue PEX B shut off ball valve. ?Non-Pollution?: Lead free brass PEX shut off ball valves, comply with drinking water standard. ASTM F1960 NSF/ANSI 61 Certified. ?Extra-Long Service Life?: High-quality brass pex fittings, resists corrosion, rust and high temperature (32??200?). ?Applications?: This 1/2" Pex Valve can be used ONLY for PEX B pipes in plumbing jobs. Great for hot or cold water distribution and and hydronic heating systems in your home, in warehouse or in RV. But NOT UPONOR/Wirsbo EXPANSION SYSTEM PB TUBE. ?Compatible Products?: This 1/2 inch PEX ball valve use with Stainless Steel Clamp Rings or PEX Crimp Copper Rings. (Clamp rings are not included in this set.)