Katadyn 8011553 MyBottle Purifier Cyst Fltr/2
Cyst Filter replacement cartridge for Exstream Water Purification Bottles and MyBottle Purifiers(not microfilters)
- Filters sediment and protozoan organisms such as cryptosporidia and giardia
- Package of 2 filters
- Change the ViruStat Cartridge after 200 refills.
- Change the Cyst and Pre/Post Filters when water flow becomes constricted. }