Mr. Heater Steak Saver Disposable Bottle Adapter Offer Safe and Easy to Install Best for Grilling Back Up CONVERTS 20 lb tank connection to 1 lb bottle CAN BE USED : To convert any appliance equipped with a TYPE 1 ACME connection to a 1"-20 throwaway connection for use with a disposable 1 lb LP gas cylinder FEMALE P.O.L / MALE ACME x 1"-20 Male Throwaway cylinder FOR USE : Portable Grills, Cookouts, Grilling