* Requires Hand Pump Filler (19-0703) not included - order separately * Fills up to six batteries in seconds from a single fill point. * Fits all 6V lead acid batteries with standard 3-cell spacing. * Eliminates need to remove vent covers to fill. * Automatically sends water to low cells only. * Installs in minutes, no tools required. * Safer and more accurate than conventional filling. * Improves battery life and performance. * Hard to reach batteries are as simple to fill as batteries on a workbench. * Several batteries can be connected and filled at the same time. * Automatic shut-off prevents over or under watering. * Simple hand pump operation. * Fill from any point above, at or below battery water level. * Use with any distilled water container. * Quick disconnect feature allows supply to be attached in a snap. * No need to remove vent covers.