The 4793 is the correct bottleless water cooler that uses:
The Pura Ultimate UV Bottle Less Water Cooler with Reverse Osmosis features BioCote Technology and "in tank" UV sanitization that provides antimicrobial protection against fungi, bacterial growth and mold to reduce unpleasant waterborne odors. The "In tank" ultraviolet sanitization lamp retains quality water in the cold tank. Also known as part number 4793, this point-of-use cooler produces quality drinking water. The Pura Ultimate bottle-less water cooler provides an endless supply of safe drinking water and is ideal for residential and commercial applications. The dispensing area height is 9" for pitchers.
Pura Water Cooler with UV specifications:
The Pura UV Water Cooler comes with a one year limited warranty. There are three water temperature settings and leak detection with an automatic shut-off to prevent water damage. The activated carbon filter reduces chlorine taste and offensive odor. The sediment filter of this Pura Ultimate Cooler reduces sediments and turbidity. The reverse osmosis technology reduces total dissolved solids (TDS) in your drinking water. This bottle less water cooler is perfect for offices.