pet activated carbon dog resin water dispenser cat filters ion for catit design

with dual-action water softening filter for ion exchange resin and active carbon, it can filter dirt effectively. filter replacement-compatible with design senses fountains and flower fountains replace more frequently with multiple pets using the fountain, rinse filter with water thoroughly before use. we suggest replacing filters every 4 weeks to keep water clean. a small amount of carbon dust may be released for the life of filter which is not harmful to your pet.