BrassCraft CSSL45R-72 P Safety PLUS Gas Appliance Connector with 3/8" OD EFV and 1/2" MIP x 1/2" FIP x 72" 1/4 In. ID (3/8 In. OD) x 72 In. corrugated stainless steel connector with corrosion resistant coating Safety+PLUS Excess Flow Valve helps protect 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 CSA certified. Designed, machined & assembled in the USA