Aqua Fountain Aqua Cube Pet Fountain: * Patented free-falling stream encourages pets to drink more and adds more oxygen for freshness * Constant circulation helps inhibit bacteria growth in between cleanings * Increased water intake helps reduce and prevent urinary diseases in cats * Charcoal filter keeps water clean and fresh * Veterinarian recommended and developed * Easy to clean and dishwasher safe (excluding pump) * Submersible pump for quiet operation and low power consumption