Katadyn Exstream Cyst Filter 

Exstream and MyBottle Replacement Cyst Filter

This is the cyst filter replacement cartridge for Katadyn Exstream Water Purification Bottles.

It is also the cyst filter for Katadyn MyBottle water filter bottles.

Katadyn Cyst Filter Functionality:

- Filters sediment and protozoan organisms such as cryptosporidia and giardia

- Package of 2 filters

Exstream Water Purification Bottle Maintenance:
- Change the ViruStat Cartridge after 200 refills.
- Change the Cyst and Pre/Post Filters when water flow becomes constricted.

Replacement Cyst Filter For Katadyn Exstream and Katadyn MyBottle Water Bottles (Pictured Below).