Compatibility: Compatible with 2.5L (84.5 fl oz) whiskers pattern pet fountain. Please check your fountain model before buying.
Carbon & Cotton: Composed of a cotton layer, activated carbon and an ion exchange resin. Effectively to filter hair, heavy metals.
Size:Length is about is about 3.3”. Width is about 3.3 inch. Diameter of hollow circle is about 0.6 inch. Thickness is about 0.38 inch.
Note:Please soak the filter in water for 2 minutes and rinse it thoroughly under running water before use.To prevent the activated carbon dust (which will not harm your pets) from shedding into water.
Recommend: Please change the filter every 2-4 weeks,according to your pet's number of pets using the fountain.30 days money back warrant for all quality problem,please contact after sale service with us,we will response in 24 hours.