The amazing new Pioneer Straw by RapidPure outperforms the competition! RapidPure is a best-in-class, game-changing development in camping, backpack and emergency water ﬁltration. Check your current ﬁlter speciﬁcations, or competitive ﬁlters out there. Brand name water ﬁlters such as Katadyn, MSR, Aquamira, Platypus, Sawyer and others - reduce bacteria and cysts, but if viruses are suspected, they speciﬁcally instruct you treat ﬁltered water with chemicals such as chlorine dioxide to make the water safe from viruses. RapidPure captures viruses that are too small for our competitors' ﬁlters to capture. RapidPure's new ﬁlter puriﬁer technology outperforms all other recreational water ﬁlters. Third-party independent testing shows bacteria removal at 99.9999 %, virus removal at 99.9999 %, and cyst removal at 99.998% at just 2 psig generated from just 4.5' of elevation. Sawyer, our competitor, on the other hand tests their product at 20 psig generated from an incredible 45' of elevation.