▁all ▁of ▁water bor ne ▁b acter ia , ▁micro pl ast ics ▁and ▁par as ites . ▁A ▁bott le ▁was ▁later ▁developed ▁which ▁incorpor ated ▁a ▁Life St raw ▁cart ridge ▁into ▁a ▁ ▁B PA - free ▁pl astic ▁sports ▁water ▁bott le . ▁In ▁addition ▁to ▁these ▁port able ▁filters , ▁the ▁manufact urer ▁also ▁produces ▁high - volume ▁pur ifiers ▁power ed ▁by ▁gravity ▁that ▁also ▁remove ▁vir uses . ▁These ▁are ▁designed ▁for ▁family ▁and ▁community ▁use . ▁▁ ▁The ▁Life St raw ▁water ▁filters ▁are ▁designed ▁by ▁the ▁Swiss - based ▁V ester ga ard ▁Fr ands en . ▁While ▁originally ▁developed ▁for ▁people ▁living ▁in ▁developing ▁nations ▁and ▁for ▁distribution ▁in ▁human itar ian ▁crisis , ▁Life St raw ▁water ▁filters ▁have ▁gained ▁popular ity ▁as ▁consumer ▁products . ▁The ▁Life St raw ▁is ▁now ▁used ▁as ▁a ▁tool ▁for ▁surv ival ists ▁and ▁out door ▁enthus iast s ▁in ▁addition ▁to ▁being ▁used ▁to ▁help ▁combat ▁clean ▁water ▁scarc ity ▁world wide . ▁Life St raw ▁water ▁filters ▁can ▁provide ▁clean ▁water ▁without ▁the ▁need ▁for ▁batter ies ▁or ▁chemical ▁treatment . ▁All ▁Life St raw ▁filters ▁are ▁made ▁using ▁h ollow ▁fi ber ▁memb rane ▁technology . ▁Some ▁of ▁them ▁also ▁incorpor ate ▁an ▁activ ated ▁carbon ▁component . ▁ ▁The ▁original ▁Life St raw ▁and ▁Life St raw ▁Family ▁were ▁distributed ▁in ▁the ▁ 2 0 1 0 ▁H ait i ▁earth qu ake , ▁ 2 0 1 0 ▁Pakistan ▁flo