The Global Water Hot / Cold Water Cooler with 4-Stage Reverse Osmosis Filtration G5RO is a well designed and plumbed directly in to the cold water line eliminating the need for those heavy plastic 5 gallon water bottles. It has a very large dispensing gap that easily fits water bottles and the large LED lights that let you know when the cold and hot power are working. This unit features adjustable heating / cooling capabilities and guarantees quality, reliability and easy serviceability. The G5RO 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 a 4-stage Reverse Osmosis purification system ( RO ) that includes a 5 micron sediment, 10 micron activated carbon, post carbon and 50 GPD RO Membrane improving water taste and quality. The G5RO's sleek and stylish design is assembled in the USA and sure to fit in any home or office setting. Includes a built-in cup holder and a 5 gallon storage capacity.