- Triple-Layer Filtration System : Engineered with activated carbon, ion exchange resin, and high-density sponge layers, this filter effectively removes hair, dirt, heavy metals, and odors. Enjoy crystal-clear water that enhances hydration and reduces urinary tract issues in cats. - Universal Compatibility : Designed to fit most popular cat water fountains, including models from Ca, PetSafe, and stainless steel versions. Each pack comes with pre-filter sponges to extend filter life and ensure optimal pump performance—ideal for multi-pet households or high-flow fountains. - Durable and Clog-Resistant : Constructed from premium, food-grade materials, these filters resist clogging and maintain efficiency for 2-4 weeks. The robust sponge layer traps larger particles while the activated carbon absorbs impurities, preventing bacterial growth. - Easy to Replace : No tools needed. Simply rinse the filter under running water, install it into your fountain, and enjoy hassle-free maintenance. Designed for quick installation, making it user-friendly for new pet owners. Use Scenarios : 1. Perfect for cat owners wanting to provide fresh, clean water, ensuring your pet stays hydrated and healthy. 2. Ideal for homes with multiple pets, where maintaining water quality is crucial for overall wellness. 3. Great for busy households, as the easy-to-replace design saves time and effort while ensuring your pet has access to safe drinking water.