BrassCraft CSSL44R-60 P Safety PLUS Gas 3/8" OD Connector with 1/2" MIP EFV x 1/2" MIP x 60" 1/4 In. ID (3/8 In. OD) x 60 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