1. Intuitive Compatibility: Easytochange system for 2.0/2.8/4.0liter drinking fountains, matching 2.5liter variants. Enables effortless replacement without compromising filter quality or fit. 2. Integrated Filter System: Dimensionally stable edge design adapts seamlessly to 10 cm filter compartments, preventing lateral movement with precisely calculated contours for pet fountain applications. 3. Combination Set for Longer Use: 8 quality replacement filters ensure consistent performance over weeks. Reduces maintenance effort with optimized dualeffect filtration technology for all standard drinking water systems. 4. Efficient Water Purification: Combines odorneutralizing activated carbon, metalreducing ion exchange resin, and finepored filter fleece—threestage filtration guarantees clear water quality for improved hydration.