Profile: Edstrom Industries, Inc. manufactures automated drinking water systems for animals. We deal with water purification, access control, lighting control and environmental monitoring. Our product includes reverse osmosis systems, watchdog vivarium management systems, bottle fillers and Sipper SackTM animal watering systems. Our reverse osmosis system is a water purification process that removes 95-99% of most contaminants found in water. Sipper Sack System uses disposable, plastic sacks with reusable drinking valves for individual cage watering.