About this product

Perfect Combination: You can get 4 round replacement filters + 4 round sponge foam filters + 4 square sponge filters, the round cat water filter is 4.13 inches in diameter and fits most cat fountains. It perfectly filters dust, hair, most heavy metals while eliminating odors and keeping the water clean.

Triple filtration system: This cat water fountain filter has 3 layers of filtration: the sponge layer captures cat hair and debris, the resin layer softens tap water, and the activated carbon layer removes odors. Circulating water not only keeps the water fresh, but also increases your pet's drinking interest.

Healthy and Safe Material: This cat fountain filter is made of environmentally friendly materials, non-toxic and harmless, it will not affect the health of pets, you can use it with confidence.

Easy To Use: Please soak the pet water fountain filter in water for 5-10 minutes before use to make the filter work best. Rinse the cat carbon filter with water thoroughly, then install the cat fountain filter into the cat drinking water fountain.