1/2" Pex Fittings, Sungator 45 Pcs 1/2 Inch Pex Fittings Set, 15, Astm F1807 ?Package Includes?: Pex B Fittings Combo includes 15pcs 1/2" PEX 90 Degree Elbows, 15pcs 1/2" PEX Tees, 15pcs 1/2" PEX Couplings ?Non-Pollution?: Lead free brass 1/2 inch pex fittings, comply with drinking water standard. ASTM F1807 NSF/ANSI 61 Certified ?Extra-Long Service Life?: High-quality brass pex fittings, resists corrosion, rust and high temperature (32??200?). ?Applications?: This brass crimp Pex fittings 1/2 inch Set can be used for PEX pipes in plumbing jobs. ONLY for PEX B pipes. 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?: Pex Fittings Set use with Stainless Steel Clamp Rings or PEX Crimp Copper Rings. (Clamp rings are not included in this set.) ?Warm Tips?: NOT Compatible with UPONOR/Wirsbo EXPANSION SYSTEM PB TUBE. ONLY for PEX B pipes