Product Description SharkBite PEX Chrome Plated Straight Stops are 1/4 turn valves that control water flow to household plumbing fixtures, and provides easy shut-off of water flow for maintenance and repair, if necessary. These valves are barb connections that will work with either a stainless steel clamp system or a copper crimp ring system (each sold separately). Size: 1/2 Lead Free Brass Barb Insert x 3/8 OD Finish: Chrome-Plated Lead free chrome-plated DZR brass construction for durability and reliability Quarter-Turn handle for easy on/off flow control For connecting 1/2 cross link polyethylene pex tubing to a 3/8 od supply connector Secure barb end of fitting to pex pipe with model #UC953CP100 Cinch clamps and model #23081 cinch tool, or copper crimp rings and crimp tool Immediately testable to well over 100 PSI Meets the new NSF/ANSI Standard 14-2009 and ASTM F 1807-9SI Standard for products intended for the transport of potable water ANSI/NSF Standard 61 Annex G for lead free compliance The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight Meet AB1953 California and VT S152 Vermont low lead restrictions. From the Manufacturer SharkBite 23057LF Straight Stop 1/4 Turn 1/2-Inch X 3/8-Inch Barbed x Compression Lead Free Durable chrome plated Quick and easy 1/4 turn on/off Used to connect fixture supply lines to PEX tubing Lead Free Compliant UPC 697285604803 Size 1/2-Inch x 3/8-Inch Color Brass Brand Name SharkBite Unit Count 1.0 Count Thread Type NPT Manufacturer SharkBite Model Number 23057LF Material Type Lead,Pex,Brass Connector Type Barb Item Type Name Brass Check Valves Exterior Finish Chrome Plated,Stainless Steel,Copper,Brass Item Dimensions 6 x 4.5 x 6 inches Number of Pieces 1 Included Components Valves Manufacturer Part Number 23057LF Manufacturer Warranty Description Limited 2 Year Global Trade Identification Number 00697285604803