Exstream Cyst Filter -2-Pack Kit-
Cyst Filter replacement cartridge for Exstream Water Purification Bottles- Filters sediment and protozoan organisms such as cryptosporidia and giardia - Package of 2 filtersExstream Water Purification Bottle Maintenance: - Change the ViruStat Cartridge after 200 refills.- Change the Cyst and Pre Post Filters when water flow becomes constricted.
SKU: 37661
