【Automatic Cat Water Dispenser】The pet dog cat water dispenser uses the principle of gravity and siphon to control a stable water level and ensure a constant supply of fresh drinking water. No setup required, no mess and no leakage. 【Water Bowl Feeder with Filter】The airtight storage water bottle prevents dust, dirt and fur from entering from outside. The built-in removable cotton filter would soften the tap water and filter out impurities. Multiple filtration keeps the water clean and fresh for your pet. 【2.8L Capacity for Bon Voyage】The cat water dispenser with a large capacity of 2.8L, can provide water for about 5-7 days for small animals and 2-3 days for large animals. You can rest assured to go on vacation, work and party without worrying about pets being thirsty. 【Safer than power supply】 Automatic water supply according to the principle of water level and water pressure. No electricity and power cord required. Don't worry about stopping the filled water when power off. Quiet