BrassCraft CSSD44E-72 P 1/2-Inch Outer Diameter Safety Plus Gas Appliance Connector with Excess Flow Valve 3/8 In. ID (1/2 In. OD) corrugated stainless steel with corrosion resistant coating Safety+PLUS Excess Flow Valve protects against gas fires and explosions - 1/2 In. MIP connection to gas supply or gas ball valve Approved for indoor and outdoor use. 100% Leak Tested Use with natural, manufactured, mixed and liquefied petroleum (LP or propane) gases and LP gas-air mixtures Temperature rating: 32 Degree to 150 Degree F. Pressure rating: 1/2 psi maximum. CSA certified