Keep pet's drinking water clean: the foam filter prevents food, hair, and other large debris from being circulated around the fountain, providing your pet with cleaner and healthier water. Enhance overall filtration: this pet fountain replacement filter helps keep your pet hydrated and supports better health. Drinking clean water has many benefits for cats and promotes a happier, healthier lifestyle. Easy to replace: the foam filter is easy to remove for pump cleaning and replacement. We suggest changing it every 24 weeks to maintain your pet's water fountain and ensure fresh, clean water. Wide application: this foam filter is compatible with stainless steel 360, Lotus, and Pagoda pet water fountains. It helps extend the life of your water fountain pump. Package includes: 24 replacement foam filters. The product has been upgraded with improved thickness and density. Packaging has been changed from vacuum sealing to a box for better handling and storage. Color: white Material: sponge Size: approximately 7.5 x 7.5 x 1 cm Package Contents: 24 x replacement foam filters Note: Light and display differences may cause slight variations in color between the image and the actual item. Measurement error is +/- 13 cm.