Westerly under the sink water purification system uses a carbon filter to purify the water which is then cooled. This design allows you to have filtered cool water effortlessly and without having to store in a refrigerator. Water temperature will consistently stay below 59 degrees fahrenheit/15 degrees celsius. This sleek compact design is perfect for storing under most kitchen sink cabinet areas. The carbon filter is easily replaceable and lasts for up to 6 months.Installation requires an additional hole to allow for the faucet to be installed properly and a plug under or near the intended storage area. Full installation kit includes: 1/4" quick connect tubing, 3 way 1/4" push connect adapter, under sink 3/8 adapter with shut off valve, and detailed instructions with illustrations Auto shut off, manual on/off switch and light indicator Model: 262925 Power Consumption: 75 Watts Voltage/Frequency: 110V-120V 60Hz 1.3A.