(pack of 10) efield höger 1/2 inch straight coupling push-fit fitting to connect pex, copper, cpvc , no-lead free brass (10) efield plumbing fittings fit copper, pex, cpvc pipe and connects them in any combination certified by upc / iapmo, to meet lead free-free ansi/nsf-14/g compliant. awwa c800 compliant. manufactured in an accrdited facility, meeting asme b1.20.1 asse 1112 performance: 200 psi and 200 degrees f. use in potable water and hydronic heating applications. leak-free: epdm o-ring seals