MB Sturgis Sturgi Stay T Fitting w Hoses POL Valve 1 4" FIF and MB Sturgis Sturgi Stay T Fitting Type 1 Valve 1 4" FIF and MB Sturgis Sturgi Stay T Fitting w Hoses POL Valve 1 4" FIF and MB Sturgis Sturgi Stay T Fitting Type 1 Valve 1 4" FIF and. The QD Sturgi Stay propane adapter kit is used to allow motorhome owners to quickly and easily connect their propane system to an auxiliary LP cylinder, avoiding the need to move the motorhome when staying in one location for extended periods of time. No wrenches needed and no need to leak test. Kit includes a QD Sturgi Stay Fitting and a 6' POL X Male QD Plug fill hose.