This Brass 3-way Snap-In Coupling is made of Heavy-duty solid brass construction.The material of o-ring is NBR.3 Way Hose Connector With Valve (faucet,joint,fitting ,juncture) Before delivery, all the items will be strictly tested for its working pressure, leakage, surface finishing and thread test.Contact us for more details of brass garden hose coupling!.We are manufacture specializing in all kinds valves,fittings,bibcock and quick coupling ,etc for about 15 years,covering most of Europe and the Americas market.Our factory has introduced advanced technology and equipment into production.We are equipped with forging and punching machine,digital controlled machine,instrument surface treating,cutting and processing,and assembling a coordinate process.We are expecting become your long-term partner in china.