The Drinkwell Mini is the perfect fountain for small or medium dogs and cats. Your pet’s drinking water is filtered through the activated carbon filter, keeping water clean and fresh-tasting. The patented free-falling stream of water adds oxygen, which keeps water naturally cool and encourages pets to drink more. The narrow, compact design is easy to fit in any room in your room, and the fountain comes apart for easy cleaning. Replaceable activated carbonl filter removes bad tastes and odors. Dishwasher safe excluding pump. Made of BPA-free plastic. System Includes: Drinkwell Mini Fountain, 1 filter (lasts 2-4 weeks), Pump, Power adaptor, and Manual.