The size of the Aerb square replacement filter is 12.3 x 12.3 x 1 cm,  and the diameter of the center round is 3.5 cm. Please measure your pet fountain and check whether the filter can be installed on your fountain before ordering.


The Aerb square replacement filter has upgraded 40% more material. It can help to improve the efficiency of filtered water, longer working life, and provide cleaner water for pets. We suggest changing the replacement filter every 3~4 weeks.


The Aerb square replacement filter adopts natural materials - non-woven fabric, coconut shell activated carbon, and Ion exchange resin. Aerb always pays attention to the drinking water health of pets and help your pets love drinking water.


The Aerb square replacement filter has high work efficiency. It can catch pet hair and dust and remove bad smell in the water. Oxygen always gets into freshwater by circulating, ensuring that pets get enough healthy water.


Every package has 4 Aerb square replacement filters. If you have any questions or suggestions, please feel free to tell us, we will solve them for you.

Aerb Square Replacement Filter for The Drinking Fountain