The Stay-Longer Propane Kits are designed to give you new flexibility on how you use your LP-Gas. You can stay longer by hooking up auxiliary LP-Gas cylinders, or you can tap into the RV’s LP-Gas system to fuel portable high-pressure appliances. Kit includes brass tee connection (ME420) .9 GPM excess flow male hard nose POL x female POL x 1”-20 male x 1/4” female inverted flare and 5' hose (MER401-60) .9 GPM excess flow male POL x 1/4” male inverted flare.