The Crystal Mountain Iceberg Undersink Chiller (ICS-P1PGFG1I) is a heavy-duty under-sink drinking water chiller that's ideal for home or office use. It's perfectly suited for use with reverse osmosis (RO) systems and other water filtration units. Push-to-connect fittings make installation a breeze. This system is capable of producing about 3 gallons of chilled water per hour. The Iceberg Chiller has a manufacturer's 2-year warranty.