The Global Water Hot / Cold Water Cooler with 4-Stage Reverse Osmosis Filtration G4RO is well designed and plumbed directly in to your cold water line eliminating the need for plastic 5 gallon bottles. It has an easy to use microprocessor control panel and adjustable heating / cooling capabilities with a modern look that guarantee quality, reliability and easy serviceability. The G4RO is equipped with a hot water lock to prevent children from burning accidents, an electric shut off valve to prevent overflows and stainless steel reservoirs to keep water safe. It is also equipped with 4-stage Reverse Osmosis purification system ( RO ) that includes 5 micron sediment, 10 micron activated carbon, post carbon and 50 GPD RO Membrane filtration improving water quality and taste. The G4RO's sleek and stylish design is assembled in the USA and sure to fit in any home or office setting.