【5 Layers Filtration】: Improved and enhanced materials and struction, achieve a better filtration. It was made of sponge, activated carbon, medical stone, ion exchange resin and non-woven fabric. 【How To Use?】: You can rinse or soak the filter 5-10 minutes before use, it is good for working more effectively. 【Healthy & Hydrated】: The filter helps your pets drinking fresh water from the pet water fountain, and avoid your pets getting sick. 【Application】: Compatible with NPET DF10/DF30/DF10 dog water fountain 【Multi-Pack】: There are 4/8/12/16/20/24 packs for you to choose, to meet different kinds of customer demands.

NPET Dog Water Fountain Replacement Filters