The fountain offers more clean water in comparison to other fountains. The plastics used in this drinking fountain are BPA-free. Water in cat bowls can get stale and dirty. The Triple Action Filter in your cat fountain ensures that only filtered water is pushed to the surface for your cat to enjoy. This helps reduce the risk urinary tract infections. Cat drinking fountain with high-grade stainless steel top: •Hygienic and dishwasher-safe top •3L water reservoir •Handy water level window with nightlight •Three water flow settings •Triple Action Filter and energy-efficient pump included •BPA-free (except adapter)