[Compatibility] ONLY Compatible with uahpet® 67oz/2L Pet Water Fountain. If any doubt, please check product dimensions.

[Compatible Pet Filter]  Length is about 4.62 inch. Shortest Width is about 1.75 inch. Longest Width is about 3 inch. Thickness is about 0.62 inch.

[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 15-20 minutes then rinse thoroughly under running water before using. 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.

[Premium 12 Pack Pet Fountain Filters] 12-pack of premium pet fountain replacement filters and 24 Pack of pre-filter 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.