- Compatibility: This dog water fountain filter replacement kit is designed specifically for 7L/6.520.4g/1.8G stainless steel dog water fountains, ensuring your pets always have access to clean, fresh, and appealing water. - Triple Filtration System: Our advanced 3-layer filter system includes high-density cotton to capture particles and dirt, activated carbon to eliminate odors and impurities, and a final stage for clean, refreshing water. - High-Density Sponge: The circular pre-filter sponge effectively removes hair and large debris, enhancing the performance of the carbon filter. Additionally, the rectangular high-density sponge blocks dirt from reaching the pump, prolonging its lifespan. - Usage Instructions: Prior to installation, soak the filter in clean water for 5 minutes and rinse thoroughly. This step is crucial to prevent carbon dust from contaminating the water, ensuring a hygienic drinking experience for your pet. - Practical Applications: Ideal for households with multiple pets, this filter kit maintains the water quality in busy environments. Perfect for pet owners concerned about their furry friends' hydration, it promotes better health by providing fresh water. Additionally, it's great for those who travel with their pets, ensuring a clean water supply at home or on the go.