Mb Sturgis 3/8' Id Low Pressure LP Hose With 3 100429-36-Mbs. Propane hose 3/8 inch inside diameter low pressure propane hose for connection pressure regulator to permanent gas piping system. 1/2 inch female flare swivel by 3/8 inch male pipe thread, 36 inch length with a maximum of 350 PSI. Temperature range is -40 degrees Fahrenheit to 140 degrees Fahrenheit.