FAIRVIEW TWIN STAGE PROPANE AUTOMATIC CHANGEOVER REGULATOR-ALLOWS YOU TO HOOK UP TO 2 PROPANE TANKS AND THE REULATOR AUTOATICALLY SWITCHES OVER TO THE SECOND TANK ONCE THE FIRST ONE RUNS OUT.
THE INLET IS A 1/4" SAE INVERTED FLARE AND THE OUTLET IS A 3/8" NPT FEMALE PIPE THREAD