Meet the PetSafe Outlast™ 1.7 Litre Pumpless Pet Fountain – the world’s first cat fountain without a traditional pump! Our patented HydroSpin™ technology keeps water flowing and eliminates the hassle that comes with traditional fountains. The filter system keeps water tasting and looking fresh, giving your pet a healthier hydration experience. Ditch the standard pet fountain for something revolutionary – choose Outlast Pumpless Fountain.