NPET Pet Water Fountain Filters for WF050 & WF100 Cat Fountain(4pcs)

【Compatible】: This filter replacement is only compatible with NPET WF050 transparent 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
Replace every 2-4 weeks, depending on usage