Replacement Water Filter Pre-Filter Sponges Compatible Wireless Pumps Pet Water Fountain WF20/CF20, Pack of 3

[Premium Quality Filters] Triple Filtration System: Composed of a cotton layer, activated carbon and an ion exchange resin. Effectively to filter hair, heavy metals, keeps water fresh and improve the taste of the water.

[Frequency Of Replacement] To prevent the activated carbon dust from shedding into water, please soak the cat fountain filter in water for 2 minutes then rinse thoroughly under running water before using. 1 to 2 weeks in summer and 2 to 4 weeks in winter. If multiple pets are using the fountain, more frequent replacement will be necessary.

[Premium 3 Pack Pet Fountain Filters] 3-pack of premium pet fountain replacement filters sponges individually packaged and sealed to maintain high quality. Enough supply for 3 to 12 months of use. Replace the pre-filter sponge every 4-6 weeks.