... coolers can be installed under a kitchen sink. Undersink Water Chiller,Undersink Water Cooler,Water ChillerThis undersink water cooler is perfect ... :1.True commercial grade quality,delivering up to 2Gallons of Chiller Water per hour.2.Water system ultilizes stainless steel components ... tubing9.Use ozone-friendly 134a refrigerant.10.One year warranty. Aquarium Water Chillers