Compatibility: Replacement filters are perfectly compatible with E1+ and E1 pumpless cat water fountain
Multiple Filtration System: Cat water fountain filters come with 3 layer filtration system, high density cotton can fliter hairs and dirts, keep water clean; Activated carbon can remove chlorine and odor, purify and freshen water; Ion exchange resin can filter heavy metals and improve the taste
Good for Pets: Every drop of water is filtered by multi-layer filtration filter, can remove impurities and other harmful substances, also can improve the taste, attracting pets to drink more water
Replace Filter Regularly: To maintain filtering effect, it's recommended to change filters every 3 to 4 weeks.; Please change filter more often if have multiple pets
Warm Tips: Before replacing the filter, please soak filter for 5 minutes and thoroughly rinse filter for 1 minute, which will prevent carbon dust from shedding into water, keep water clean