Triple Filtration: furrybaby cat water fountain is equipped with 2 filters each composed of activated carbon ion exchange resin and high density cottonHigh density cotton could catch cats hair and debris the ion exchange resin could soften the tap water the activated carbon could remove bad taste and odor that provides fresh and clean water to pets Ultra Quiet Pump: The pet water fountain will work quietly throughout the day with silent pump (Below 40 dB) so you donAt have to worry about your cat being frightened by it or about the noise disrupting your daily life Unique Design: Water level window with LED Light reminds you adding water in time during the day or at nightAnd it is easy for pets to drink water through inclining the upper tray arge capacity: 2 L water capacity is suitable for different age of cats dogs and multiple pet householdsNo need to add water frequently the stored water lasts for more than a week So you can go out longer without worrying your adorable pets Smart System: When water is below a certain level the cat water fountain automatically enables anti-dry burning protection So you do not need to worry about equipment damage when you out