Description Wide Compatibility: This cat fountain filter set includes 4 pieces, our fountain filters fit most 1.6-2.5L cat fountain. Size: outer diameter 127mm, diameter interior 40 mm, thickness10mm. Please check your water dispenser card slot size before purchasing. Triple Filtration: Our cat fountain filters are made of high-density cotton fabric, high-quality activated carbon, and ion-exchange resin to remove contaminants from the water, keeping your pet well -liketo drink the cleanest water. Material Upgrade: The cat filter fountain is made of super high quality material, the cotton mesh is soft, the filter element is rich, and the internal filter material is increased by 40%. Consequently, a durationlonger life and less frequent replacement. To keep the water clean, it is recommended to replace the Cat Spring filter every 2-4 weeks. Double Effect Fountain Filter: Our cat fountain filter added new content, modified the original unique activated carbon filter element, added ion
