The Eastman 3/8-IN OD Gas Fitting adapt to most gas log and space heater inlets. Flare fitting connects to the gas connector nut. Male fitting connects to the gas appliance inlet, gas ball valve or gas supply stub out. includes: (1) 3/8-IN OD FLARE X 3/8-IN MIP (TAPPED 1/4-IN FIP) fitting. DO NOT APPLY THREAD SEALANT TO FLARED ENDS!