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Katadyn - http://www.katadyn.com/
Sells water purification filters. Also includes online versions of the original instructions. |
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Arctic - http://www.arctic-1.com/filters.htm
Sells British Berkefeld and Doulton water filters and cartridges. |
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Aerobic Oxygen - http://www.oxygenforlife.net/
Makes and sells an additive for purifying water. |
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James Filter - http://www.jamesfilter.com
Carries British Berkefeld and Doulton water filters and cartridges. |