Costco Sale: Whirlpool S/S Self Cleaning Water Cooler $119.99 by Rhonda July 16, 2020 *UPDATE* 9/30/17. Several times a day, the automatic self cleaning system uses unstable oxygen to kill bacteria on contact, eliminating the need to manually clean the cooler. Costco has the Whirlpool… 0 FacebookTwitterPinterestEmail
