Wistwoxxon Cat - Fuente de aguaHealth Material and Design Pet Fountain is made of high quality natural ceramics at 1300 degrees. It is environmentally friendly and non toxic. Circulating water design allows oxygen to be added to the water and attracts your pet to drink more. Dual filtration (mechanical + chemical) system mechanical filtration is made up of foam filters around the pump to prevent pet hair and other debris from entering the pump. Chemical filler. Carbon and charcoal