Compatible with PETLIBRO Water Fountains: This official water fountain filter replacement is specially designed for Dockstream models WF106, WF116, WF105, WF115, WF005, and WF305. It fits securely into your PETLIBRO water fountain, helping maintain smooth, quiet operation while keeping your pet's water fresh and clean. A reliable PETLIBRO filter replacement for daily use.

Fresh Water Your Cat Will Love: A 4-layer pet water fountain filter with activated carbon and ion-exchange resin helps reduce hair, debris, and odors. As daily cat water fountain filters, it improves taste and clarity in your cat drinking fountain—making every sip more inviting.

Simple to Replace, Easy to Maintain: This 4-pack includes PETLIBRO water fountain filter replacements for convenient maintenance. It works seamlessly with an automatic cat water fountain or water fountain for cats indoors. Just soak the cat water fountain filter for 5 minutes, rinse for 30 seconds, and install—clean water without complicated steps.

Extra Protection for Your Fountain: Each PETLIBRO water fountain filter includes a pre-filter sponge designed to capture fine particles before they circulate through the fountain system. Regular PETLIBRO water filter replacement helps protect internal components and supports longer-lasting performance.

A Small Habit, A Healthier Routine: Consistent PETLIBRO water fountain filter replacement keeps your cat water fountain performing at its best. We recommend replacing your pet water fountain filter every 2 weeks. In multi-cat homes or heavy-use households, more frequent cat fountain filter replacement helps maintain fresh, circulating water.