Mr. Heater F273768 Propane Grill Regulator with Acme Nut, 75000 BTU MaxFor use with most BBQ grills and low pressure appliances. Features 11in W. C. low pressure regulator and acme nut x 3 8in female pipe thread. Acme nut x 3 8in female pipe thread 11in W. C. low pressure regulator For use with most propane grills 75000 BTU max flow. WARNING: This product can expose you to chemicals including lead and lead compounds which are known to the State of California to cause cancer and birth defects or other reproductive harm.