The Clear2o CWF202 is the correct replacement filter for the following:
The Clear2GO 2-pack Replacement Bottle Filters CWF202 fit the Clear2Go Sport Bottles. This two pack of Clear2o filters NanoCeram filtration technology derived from NASA. These Clear2o water filters has a filter life of 100 gallons and reduce chlorine taste & odor and 99.9% of microbial cysts in water.
Clear2GO 2-pack Replacement Bottle Filters CWF202 specifications: