- Wide Compatibility: Designed to fit 2.0, 2.8, and 4.0-liter drinking fountains, with a special focus on 2.5L cat fountains. This filter ensures a reliable fit for the most popular models and is ideal for 67/95/135 oz systems, optimized for 84 oz well systems. - Integrated Filter System: Features a dimensionally stable edge design that perfectly adapts to 10 cm filter compartments. The calculated contouring prevents lateral movement, ensuring stability and effectiveness in animal fountain applications. - Extended Use: This 8-pack provides months of filtration without the hassle of frequent replacements. The optimized material quality combined with a multi-layer filtration system guarantees continuous operation and long-lasting performance. - Comprehensive Pollutant Filtering: The filter employs a synergistic multi-layer system, including an odor-binding activated carbon layer, heavy metal filtering resin, and particulate-absorbing fleece. This ensures daily access to fresh, clean drinking water free from impurities. Use Scenarios: 1. Pet Owners: Ensure your pets have access to fresh, clean water by using these filters in your cat fountain, reducing the need for constant replacements. 2. Busy Households: Perfect for families with multiple pets; the long-lasting filters minimize maintenance time while providing safe drinking water. 3. Health-Conscious Users: Ideal for those who prioritize clean drinking water, this filter system effectively removes harmful substances and impurities, promoting better health for your pets.