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.While this increases water flow considerably, itdoes cut down on the life span of the fiber filter.The complete filter (with ceramic disc) is ratedat 500 gallon capacity before replacing thecartridge (depending on water condition).During my tests I found that the ceramic filtershould always be used since it saves the glassfiber filter from collecting too much particulatematter.In fact, due to the ease of cleaning Ican t think of a scenario that would requireremoving the ceramic filter stage, even in jungleblack water.With a clean ceramic disc I could easily pump a liter of water in a little overa minute from a pond on my farm.This fast rate not only comes from the filter design butthe pump is dual action, pushing water on both the up and down stroke.I tried the filterin various types of water ranging from ponds and creeks to runoff water.In every casethe water came out crystal clear with no particulate matter and good taste due to thereplaceable carbon core.As previously stated, cleaning was quick and easy so thispump has definitely earned a spot on our next jungle expedition.Another feature I really liked was its ability tofill water bladders as easily as bottles.TheVario s bottom cap has an outlet portdesigned to fit most of the popular hydrationbladders.Simply remove the bite valve fromthe bladder and insert the tube into thebottom cap and start pumping.It will alsoscrew directly on to a standard Nalgenebottle.The kit weighs about 15 ounces andcomes with all hoses, extra housing O-rings, cleaning pad, and weighted hose pre-filter.The Vario will remove waterborne bacteria,Giardia and Cryptosporidium cysts, while the carbon core reduces chemicals, pesticidesand bad taste in questionable water.Price: $ 79.99My hat s off to both MSR and Katadyn for their new designs.In the past it seems mostlightweight consumer water purification has been aimed at the weekend backpackerinstead of long-term, lightweight expedition use.I feel certain both of these purifiers willkeep your water supply safe in a long term, remote environment as well as short termsurvival situation.As far as choosing between the two, that s simply a subjectivedecision to be made by the consumer.Contact Info:MSR MIOX PurifierCascade Designs, Inc.4000 First Avenue SouthSeattle, Washington 98134Tel: 800-531-9531Fax: 800-583-7583Email: consumer@cascadedesigns.comWeb: www.cascadedesigns.comKatadyn Vario Water FilterKatadyn North America9850 51st Ave NMinneapolis, MN 55442Tel 800.755.6701Fax 763-746-3540Web: www.katadyn.us
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