Feature:
1. Circle Pet Filter:
Diameter of hollow circle is about 0.5 inch. Diameter is about 5.5 inch. Thickness is about 0.4 inch.

2. Premium Quality Filters:
Triple Filtration System: Composed of a high density micropore filter, activated carbon and an ion exchange resin. Effectively to filter hair, heavy metals, keeps water fresh and improve the taste of the water.

3. Frequency Of Replacement:
To prevent the activated carbon dust from shedding into water, please soak the cat fountain filter in water for 10 minutes then rinse thoroughly under running water before using. Replace every 1 to 2 weeks in summer and 2 to 4 weeks in winter. If multiple cats are using the fountain, more frequent replacement will be necessary. Please do not forget to reset the device, after replacing the filter.

4. Premium 5 Pack Pet Fountain Filters;
6-pack of premium pet fountain replacement filters, individually packaged and sealed to maintain high quality. Enough supply for 1.5 to 6 months of use.