Stay A While Tee Adapter connects new and old auxiliary propane cylinder connections to motor home. 5' Propane Flexible Pigtail hose. Assembly: Soft Nose Excess Flow P.O.L. x 1/4" Inverted Male Flare. Stay A While Tee: Soft Nose Excess Flow P.O.L. x 1" -20 Male Throwaway Cylinder Thread x Female P.O.L. w/ Acme Thread x 1/4" Inverted Female Flare.