Compatibility: cat fountain filter sponges replacement for 4L cat fountain with motion sensor; we offer 12-month replacement and 24-hour customer service, please contact us at any time.
Triple filter system: filter for cat fountain with 3-layer filter system. High density cotton can peel off hair and residue, keep water clean; activated carbon can remove chlorine and odor, purify and refresh water; ion exchange resin can filter heavy metals and improve taste.
Pre-filter pump sponges: filter for pet fountain pumps with high density, can trap hair and impurities, can extend the life of the fountain.
Replace regularly: To achieve a better filter effect, we recommend replacing filters and sponges every 2 to 4 weeks, please change it more often if you have several pets.
Warm tips: Before replacing the filter, please soak the filter in water for 5 minutes and then rinse the filter thoroughly, which prevents the carbon dust from entering the water, keeping water clean and fresh.