If anyone is interested (and even if you're not ), Amazon has the Life Straw personal water filter on sale for $14.95 (normally $19.95) as a lightning deal for the next five hours (as of 9am).
http://www.amazon.com/dp/B006QF3TW4...NWD98SJ3PAZPGAY&pf_rd_i=20&pf_rd_p=1725241842
http://www.amazon.com/dp/B006QF3TW4...NWD98SJ3PAZPGAY&pf_rd_i=20&pf_rd_p=1725241842