Jomar gas ball valve, 1/2 in. FLARE x 1/2 in. MIP. UL listing of 6 approvals on spec sheet. CSA certified with 2 Viton o-rings. 600 WOGValve can be locked in the closed position by reversing the handle2 Viton O-rings100% leak testedLeakproof stem. UL ListedCSA certified ANSI B1.20.1MSS SP-110Value seat rating 600 WOG. Warning- This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, and lead, which is known to the State of California to cause birth defects or other reproductive harm. For more information go towww.P65Warnings.ca.gov