Registered: 07/11/10
Posts: 1680
Loc: New Port Richey, Fla
the Sawyer specifications for amount of water filtered requires periodic back flushing with clean water, with the syringe supplied...the specs on the LifeStraw off an Amazon ad claim .2 micron not .02 micron, but possibly a typo...pic of a Sawyer Mini with syringe
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