About this item 【Package Includes】: Pex B Fittings Set includes 25pcs 1/2" PEX Elbows 【Non-Pollution】: Pex Elbows 1/2 inch Set is Lead free brass pex fittings, comply with drinking water standard. ASTM F1807 NSF/ANSI 61 Certified. 【Extra-Long Service Life】: High-quality brass pex 90 degree elbow set resists corrosion, rust and high temperature (32℉—200℉). 【Applications】: 90 degree elbow 1/2" Pex fittings can be used for PEX B 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】: 1/2 inch Pex Fittings 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. › See more product details