2L Capacity: The 2L water capacity is suitable for cats and dogs of different ages and multiple pet families. No need to rehydrate frequently, just store for a week. Two Flow Modes: The Cat Fountain has two flow settings. You can customize the fountain mode according to your pet's preferences. Waterfall mode and fountain mode can meet your pet's different preferences. Each mode can meet the needs of a variety of pets. Three-layer Filtration System: Our cat water dispenser has a circulation system, equipped with replacement filters, which purifies the water, removes odors, filters particles in the water, increases the oxygen content, keeps the water fresh, and provides a healthy water service for your pets. 1 Replacement filter system: Equipped with high-quality cotton carbon filter, which can filter hair and dirt particles, remove sediment and odor in water. This improves the taste and quality of the water and keeps the water clean and fresh for days. Ultra-quiet operation, easy to clean: Our pet water dispenser is energy efficient and environmentally friendly. Very quiet, below 30 decibels, will not disturb your cat or you at night.