These Clear2Go replacement filters are for use in the Clear2Go water bottle, sold separately. Each filter cleans 100 gal. of water. Reduces chlorine taste and odor. Removes 99.9% of microbial cysts (cryptosporidium and giardia). NanoCeram NASA-derived filter technology. For best results, replace filters every 2 – 3 months. Pack of 2.

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