[304 Stainless Steel] Made of 304 stainless steel, the cat water fountain is BPA-free, ensuring your pet drinks healthy and clean water. The stainless steel dispenser is sturdy and corrosion-resistant, and provides long-lasting care for your pet's health and safety. [4L/135OZ Large Capacity] The 4L large-capacity cat fountain can provide water for about 10 days for small cats and about 5 days for large dogs, helping you avoid frequent refilling. Even when you're away, you no longer need to worry about your pet's drinking water needs. [Quadruple Filtration System] The automatic dog drinking dispenser is equipped with an activated carbon filter, which can remove odors and soften water quality. The filter captures pet hair, dirt, and food particles, providing fresh water for your pet all day long. [Visual Water Level Window] The dog water bowl features a visual water level window, allowing you to monitor the water level without opening it. When the dog water fountain lights up red, it indicates that you need to refill it. This feature is very convenient and saves you time. [Ultra-Quiet Water Pump] The pet water fountain is equipped with an ultra-quiet water pump, producing noise levels below 30 dB during operation. This ensures that your pet won't be startled while drinking and won't disturb your daily activities. This 4L/135oz large-capacity stainless steel cat water fountain can automatically provide water for your pets for 3 to 10 days. Made of BPA-free stainless steel, it boasts excellent durability and cleanliness. The pet water dispenser offers a flowing water to stimulate your pet's interest in drinking. Additionally, it features a multi-layer filtration system to ensure the water remains clean and fresh. The silent pump provides a quiet user experience, and the pet fountain includes a water level window for easy monitoring and refilling. The built-in LED light illuminates in the dark, helping cats quickly find the water. When the water level falls below the minimum, the LED light turns red to alert you, and the cat drinking fountain pump automatically stops working. This cat fountain is perfect for multi-pet households.