3/4" x 3/4" x 3/4", lead free tee, Shark Bite push fit fittings for use with copper tubing cts, cpvc & PEX with integral tube liner included, constructed of ds brass, certified to 200 psi & 200 degrees Fahrenheit, design certified to asset 1061/Nsf61 standards, meets upc, ipc & cupc requirements, fittings are listed with iapmo & are certified for use on potable & hydronic water distribution, certified for underground applications & as a manufactured joint without the need for access panels, lead free Compliant to federal law 111-380, bagged.