Applicable water fountain: This cat water fountain filter is suitable for 67oz/2L square cat water dispenser and 84oz/2.5L stainless steel cat water dispenser (shown in the picture).

Suggestions for use: To keep the drinking water fresh and hygienic, it is recommended to replace the pet water fountain filters every 2-4 weeks, depending on the number of cats in your home. Before using the pet fountain filter replacement, rinse them thoroughly under running water and then install them in the cat fountain.

Four layer circulating filtration system: This cat water fountain filter replacement contains activated carbon and ion exchange resin, which together with the non-woven fabric form a four layer circulating filtration system. This effectively filters pet hair, food residue, absorbs odors, and softens the water, providing your pet with fresh, healthy drinking water.

Reliable material: This filters for cat water fountain is made of BPA-free material, which will not affect your pet's health.