Pipe Adapters, Lead Free, .5 Brass Barb x .5-In. MPT, 10-Pk.10 pack, 1 2" lead free brass barb insert x 1 2" male pipe thread adapter, for connecting 1 2" cross link polyethylene pex tubing to 1 2" female iron pipe thread pipe end or fitting, secure fittings to pex pipe with tv #608 933 cinch clamps & tv #608 743 cinch tool, or copper crimp rings & crimp tool, immediately testable to well over 100 psi, meets the new nsf ansi standard 14 2009 & astm f 1807 9si standard for products intended for the transport of