Lp gas adapter tee. (P.O.L. x 1"-20 throwaway cylinder thread x Female P.O.L.) Conveniently use your camper/trailer propane supply for lanterns, table top barbecue, etc., at parks, campsites, rest stops. Use with hose assembly model No. F273710 or F273711. Connection Type: POL x1"-20 Throwaway Cylinder ThreadxF, Model Number Compatibility: F273710 & F272711