- Wide Compatibility: Designed for 2.0, 2.8, and 4.0-liter drinking fountains, this filter is specifically tailored for 2.5-liter cat fountains. It ensures a secure fit and easy handling for popular models, including those optimized for 67, 95, 135 oz, and 84 oz fountain systems. - Integrated Filter System: The stable edge design fits perfectly into 10 cm filter compartments, preventing lateral movement. This calculated contouring enhances performance in pet fountain applications. - Double-Effect Filtration: Featuring 8 powerful filter cartridges with a dual-stage cleaning process, this system guarantees consistent water quality while reducing the frequency of maintenance for all common drinking fountain models. - Efficient Water Purification: The filter combines odor-neutralizing activated carbon, metal-reducing ion exchange resin, and fine-pore filter fleece. This three-stage filtration process ensures crystal-clear water, promoting increased hydration for your pets. Use Scenarios: 1. Ideal for multi-pet households, ensuring that all pets have access to clean, fresh water without frequent filter changes. 2. Perfect for busy pet owners who want to maintain high water quality with minimal effort. 3. Suitable for both indoor and outdoor use, making it versatile for various drinking fountain setups.