3/4 M.I.P. x 3/4 F.I.P. Stainless Steel Gas Connector 5/8 O.D. 1/2 I.D. . Flexible stainless steel corrugated tubing with stainless fittings. For use with indoor and outdoor connections of gas appliances to gas piping system. May be used with natural, manufactured, mixed and liquefied petroleum LP or propane gases and LP gas-air mixtures. A.G.A. approved for indoor or outdoor use according to ANSI Z21.24 and Z21.45. 3/4 Male I.P.S. x 3/4 Female I.P.S. fittings. 1 per bag. Outside Diameter 5/8 , Inside Diameter 1/2 , Length 60 , Connector Size 3/4 Male IPS x 3/4 Female IPS, Material Stainless Steel WARNING This product can expose you to chemicals including chromium which are known to the State of California to cause cancer birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov