1.Water Capacity Your cat's water fountain capacity directly impacts how often you'll need to refill it and its suitability for your household. While a small 1-2 liter fountain might work perfectly for a single cat, households with multiple pets need to think bigger to ensure constant water availability. 2.Noise Level A noisy water fountain can deter both cats and humans, making this feature crucial for peaceful coexistence. The best fountains operate quietly, with minimal motor noise and adjustable water flow that creates a gentle, non-disruptive sound that won't disturb your home's tranquility. 3.Filtration System The filtration system is the heart of any water fountain, determining water quality and maintenance requirements. A good filter removes hair, debris, and impurities while improving taste and odor, ensuring your cat has clean, fresh water at all times. 4.Material Construction The material of your cat's water fountain affects everything from durability and hygiene to aesthetic appeal and price. Each material option—whether stainless steel, ceramic, or BPA-free plastic—comes with its own set of advantages and considerations for long-term use. 5.Power Consumption and Source Understanding power requirements helps you assess both safety and operating costs. Modern fountains should offer efficient power usage, reliable performance, and safety features like automatic shutoff when water levels are low. 6.Cleaning Requirements Regular maintenance ensures your fountain remains hygienic and functional. The ease of cleaning—including how many parts need to be disassembled and whether components are dishwasher-safe—can significantly impact your daily maintenance routine. 7.Flow Adjustability Different cats have different preferences for water flow, making adjustability an important feature. The ability to customize water flow patterns and pressure helps ensure your cat will actually use the fountain rather than ignore it. 8.Additional Considerations Beyond these core features, details like stability, splash protection, and monitoring systems can make a big difference in daily use. These seemingly small features often determine whether a fountain becomes a beloved pet essential or an unused gadget.