This kit contains complete replacement parts for the Exstream and MyBottle(not microfilters) Water Purification Bottles Pre-Filter, Cyst Filter and ViruStat Cartridge.
- Change the ViruStat Cartridge after 200 refills
- Change the Cyst and Pre-Filter when water flow becomes constricted
- Change the ViruStat Cartridge after 200 refills
- Change the Cyst and Pre-Filter when water flow becomes constricted