Stationary Battery Watering Gun (Gun-S)This Gun operates outside the cell and does not have an automatic shutoff. When water level reaches the correct level the operator simple releases the handle to shut off the water flow The cone shaped nozzle injects water through the funnel of the flame arrestor vent, allowing service without removal of the vent cap. Manually adjustable flow throttle. Includes quick connect fittings. (TBC Gun S)