The Personal Water Bottle Filter provides the highest amount of filtration accessible plus the standard plus assurance you are able to anticipate from Sawyer. The Hollow Fiber Membrane filter effectively removes bacteria like Salmonella, Cholera plus E Coli and also protozoa like Giardia plus Cryptosporidium without adding dangerous chemicals to the water. All Sawyer water filters surpass EPA recommendations for removal rates. This 0.1 hollow membrane filter has a removal rate of 7 log (99.99999 %) of all bacteria plus 6 log (99.99999%) of all protozoa. Simply fill the bottle with water plus drink within the bottle. No pumping, no chemicals, no waiting, no worries. Includes 34 oz. durable water bottle plus cap plus 0.1 micron absolute hollow fiber membrane filter, 2 substitution drinking straws, cleaning syringe, cleaning plus repair instructions. Weight 7.5 oz. Size: 11″ x 3″.