XFITTING PEX Compatible with all types and brands of PEX Tubing - Watts-Everhot-Viega-Zurn-Nibco-Bow-etc. Design certified to ANSI-61/NSF product standard for use in potable water and hydronic heating water distribution. Designed for hydronic heating as well as potable water distribution. 400 PSI Approved to be used underground and behind walls without access panels 3/8" OD (Outside Diameter) Compression x 1/2" Pex B Crimp Version, 1/4" Turn Upgrade your plumbing system with the XFITTING OD Compression 3/8 Inch x 1/2 Inch Pex Angle Valve. Designed for durability and efficiency, this angle valve is perfect for controlling the flow of water in your home or commercial space. Whether you're a professional plumber or a DIY enthusiast, this high-quality valve ensures secure connections and smooth operation. Its compression fitting design makes installation a breeze, saving you time and hassle. Say goodbye to leaks and unreliable valves – with XFITTING, you can trust in superior performance.