【Water Health Assured】The fountain filter removes impurities and odors, providing clean water for your pet's daily health. Pet water fountains promote hydration and health, while a pre-filter sponge around the pump enhances filtration and extends pump lifespan 【Improve Your Pet's Health】The cat fountain filter is a multi-layered filtration system consisting of activated carbon, ion exchange resin, and non-woven fabric. It effectively removes hair, heavy metals, dirt, and other impurities, ensuring that the water in the cat fountain remains fresh and clean at all times. This promotes healthy hydration habits in pets, encouraging them to drink more water and reducing the risk of urinary tract infections 【Pioneer Filtration System】 Utilizing pre-sponge filtration, along with activated carbon and ionic resin, our system creates a flawless water circulation process that ensures your pet's water is always pure and free of harmful impurities 【VOLUAS Compatibility】Cat water fountain filter is designed compatible with VOLUAS's 108oz/3.2L Pet Water Fountain. Package includes 3 pack of pet fountain replacement filters and 3 Sponges Foam Filters 【24-hour Customer Service】We offer 24-hour customer service support to assist you with any questions or concerns you may have. Please contact us, rest assured that we are committed to resolving any issues you encounter promptly, with a solution provided within a day

1.Please replace the filters every 4 weeks

2.Please replace the filters more frequently if multiple pets use the fountain

3.For your pet's health and a longer pump service life, it is recommended to clean the water tank, pump at least once a week