That is a dangerous claim.
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My thought too.
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The more I think about it, the less I like it.
@BoingBoing --- I am a water & sewer engineer, and this claim is wrong and dangerous. - 1 more reply
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this will not filter the really nasty chemicals.
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Great design! The straw is exposed to elements, so that if you drop the lid on the ground, you'll be tasting the mud. Yummy!
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