5/8 O.D. Gas Connector 3/4 M.I.P. 1/2 F.I.P. Safety PLUS x 3/4 F.I.P 3/4 M.I.P. 1/2 F.I.P. Safety PLUS x 3/4 F.I.P. Use with large demand residential, RV/mobile home, and commercial gas appliances not subject to frequent movement that consume between 75,000 and 135,000 BTU's at maximum capacity see package for details . CSA approved for indoor and outdoor use as well as for mobile home cross-over and foundation-to-gas supply connections. The Safety PLUS excess flow valve protects the home from fires and explosions due to gas line ruptures and disconnects at the appliance. ProCoat polymer coating resists corrosion due to harsh chemical residue and vapor exposure in common household cleaning, plumbing repair, and masonry products. Approved and listed by CSA and IAPMO to ANSI Z21.24, ANSI Z21.75, and CSA 3-92. Not recommended for infrared radiant tube heating systems. Bagged. Outside Diameter 5/8 , Inside Diameter 1/2 , Length 36 , Connector Size 3/4 MIP x 3/4 FIP, Material Stainless Steel, Pkg Qty 1, Package Type Bag 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