Economical: Without the use of plastic bottles, this Global Water G4RO saves you hundreds per year. Instead, the water comes from your existing plumbing for cleaner water and extra efficiency. Easy Clean-Up: The Global Water G4RO water dispenser requires little maintenance and has a drain collection tank to catch overflow from the faucet. * Convenience: It features a large 10 inch dispensing gap that"s ideal for filling up large bottles and containers. * Ease of Use: Simple and easy to use microprocessor control panel featuring a well designed 45 degree angle for easy and convenient use * Stainless Steel Tanks: Large capacity stainless steel storage tanks. Safety: Equipped with a hot water lock to prevent burn accidents for children and other users. * Included: This SKU includes the G4RO Bottleless water cooler with built-in 4 Stage Reverse Osmosis filtration system. You will love the convenience of no bottles. Filter System, Stage 1: 5 micron Sediment, Stage 2: 1 micro Activated Carbon, Stage 3: 0.5 micron Post Carbon, Stage 4: 50 GPD Reverse Osmosis Membrane