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Free Shipping Over $99 - COVID-19 Notice: We are experiencing shipping delays for some products but working hard to get orders out.
Free Shipping Over $99 - COVID-19 Notice: We are experiencing shipping delays for some products but working hard to get orders out.


    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.