A filtration system consisting of a sponge layer and an active carbon layer is effective in filtering out heavy metals, preserving water freshness and improving water taste. To prevent activated carbon dust from entering the water
Compatible : This filter replacement is compatible with NPET WF050 & WF100 cat water fountain fountains.
4 Packs in One Set : You will get 4 pieces of pet fountain filters by one order, which is worthy with such high quality
Easy to Use: Rinse the filter with water thoroughly before use, replace it every 2 to 4 weeks to maintain water freshness.
Healthy Water : NPET adopt high-density and high-content activated carbon filter, and the filter structure is matched with white high-density filter cotton to achieve multiple filtration, which can effectively maintain water quality, increase oxygen content, and protect the health of pets