Replacement pet fountain filters for wireless pumps, cat water fountain, dog water dispenser WF20/CF20

Compatibility: Works only with Homerunpet fountains; will not work with other brands. Compatible with the Homerunpet cordless pet fountain (Model: WF20). What's inside: Choose from a 3-pack or a 6-pack; fresh, running water is preferred by your furry friends all day long; therefore, it is highly recommended for them. Triple Filtration: The filter is composed of coconut activated carbon sandwiched between two layers of cotton mesh. It can remove invisible particles from drinking water such as hair, heavy metals, and residual chlorine, protecting the health of your pets' drinking water and reducing the risk of urinary tract infections. Instructions for use After unpacking, please soak and rinse the filter for 2 minutes in water. It is recommended to replace the filter component every 30 days, depending on the frequency of your pet's drinking and the number of animals using the device.