3 x Replacement filters = 3 Months Supply for the Smart Water fountain.
Triple Carbon Filtered Purification System
With state of the art pet filtration technology, this fountain filters water through a 3 stage process ensuring your pet's water is always clean and safe to drink.
Stage one - Microspourous Cotton Filter
Stage two - Coconut shell activated Carbon
Stage three - Ion Exchange resin
Each Filter can last up to 4 weeks when used in Smart Eco Mode. This pack contains 3 filters to last you 3 months. When used in continuous mode a filter will last 2 weeks.