Eliminating the need for a filter, this non-leaking hose, connects by hand simply to your full propane tank, and voila! Let there be heat! 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 Swivel 1"- 20 Male Throwaway Cylinder Thread Soft Nose Excess Flow P.O.L with Handwheel Connects appliances that aredesigned to be connected to1 pound bottles to 5-20 pound tanks Connects low pressureto high pressure tanks Hand tighten swivels on both ends