The Global Water Hot / Cold Water Cooler with 4-Stage Reverse Osmosis Filtration G3RO is well designed and plumbed directly in to the cold water line eliminating the need for plastic 5 gallon bottles. It has a very large dispensing gap that easily fits water bottles and the large LED lights let you know when the cold and hot power are working. The G3RO has adjustable heating and cooling capabilities that guarantee quality, reliability and easy serviceability. It 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's also equipped with a 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 taste and quality. The G3RO's sleek and stylish design is assembled in the USA and sure to fit in any home or office setting.