Mr. Heater Quick Disconnect Hose & Regulator WARNING: This product can expose you to chemicals including lead and lead compounds which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information visit www.P65Warnings.ca.gov Quick Connect and Regulatorwith Acme Nut Used tohook a Big or Tough Buddy upto a 20 pound propanecylinder