Camco 59943 Propane Cylinder Adapter - Soft Nose POL x 1"- 20 Male Throwaway Cylinder Thread For use with appliance designed to use a 1lb throwaway cylinder Connect appliance to a 20lb or 30lb refillable propane cylinder Soft-nose POL x 1"-20 male throwaway cylinder thread Perfect for use with our Olympian grills Hand wheel for easy grip