Katadyn Exstream Cyst Filter - 2/pack
Katadyn Exstream Cyst Filter replacement cartridges are for Exstream Water Purification Bottles.
- Removes pathogenic cysts such as Giardia, Cryptosporidium and other contaminants larger than 1 micron in size.
- Package of 2 filters
- Change the Cyst and Pre/Post Filters when water flow becomes constricted.
Katadyn Exstream Cyst Filter - 2/pack 
