The self-filling bottle from Pure1 Systems Inc. took center stage with its direct water connection that allows users to turn their current bottled water dispenser into a fully functional POU drinking water system. The Everfullâ„¢ Bottle system is plumbed from an existing source and purifies inside the bottle through a series of gravity filters that make it possible to keep the look of a home bottled water unit with the on-demand ease of a POU system.