Average Reviews:
(More customer reviews)I agree with consensus of prior reviews that it's good all around, faster than other models, but has some issues w/back pressure & leaking if you pump too fast or while using the "faster flow" setting instead of "longer life". The faster setting bypasses the ceramic filter (your biological nasty filter) and uses only the charcoal (some bio, chemicals & taste, like your average Brita filter).
I bought this instead of Katadyn's Pocket Microfilter (found for $179 on some sites at the time) for 4 main reasons:
1) ability to attach directly to Nalgene bottle. I'll be using this primarily while living overseas in areas w/questionable tap water, so this is a nice convenience. Don't think the Pocket filter allows this.
2)2-stage filter w/activated charcoal to remove chemicals, pesticides & bad taste. This option isn't available w/the ceramic-only Pocket Microfilter, and again was something I want specifically due to where I'm going. If chemicals aren't an issue where you'll be, this aspect might not matter to you.
3) Double-piston design for faster output & ease of use compared to the Pocket Microfilter. Pumping action was simple & ergonomic.
4) Cost. $80 is great compared to $180+. I may regret that mentality if/when this breaks, but for now it's a good deal.
Three things so far that I'm not excited about:
1) Although they state that the paper carbon "cartridge" is good for 500 gallons, the instructions say that the activated charcoal INSIDE the cartridge should be replaced about every 50 gallons or every 6 months, depending on chemical content/taste of the water. I felt deceived after discovering this omission from the reviews I read. Not printed anywhere in their online documentation, but REI does mention it. Without the charcoal, I might as well have purchased the more expensive Pocket filter w/lifetime warranty & just use a separate PUR/Brita pitcher for taste & chemicals (which I'll probably do anyway)... (The pocket filter's ceramic filter has a life of 13,000 gallons, compared to the 1000 gallons of the Vario's ceramic pre-filter).
2) The back-pressure & leaking issues mentioned by people in other reviews seem to be true, but mainly occur after removing the "source" tube to flush the system. After a few pumps, handle resistance increases & it wouldn't lower fully. I have to unscrew the pump head to release the pressure, which of course splatters water everywhere. This could potentially contaminate your filtered water if you're not careful.
3) This doesn't seem like the simplest system to use, clean & maintain. Several O-rings & moving parts to deal with. Also, the plastic housing may or may not hold up over time. We'll see.
Since I need a filter for travel/living overseas where the water is allegedly contaminated both w/chemicals and biological stuff, I'll keep this around & replace the charcoal until it breaks. After I get back, I'll probably get the more expensive filter for camping/backpacking use. This one is a bit large too, but hopefully will be ok.
Click Here to see more reviews about: Katadyn Vario Multi Flow Water Microfilter
A member of Katadyn's Backcountry Series of water filters, the Vario Multi Flow Water Microfilter is the first water filter that is adjustable for different conditions. It combines two leading technologies into one high-performance pump: ceramic for a longer life and pleated glass fiber for easy operation. The Vario offers a high output and also contains a replaceable carbon core to keep the water tasting fresh.
Key Details:
Output: Up to 2 quarts (2 liters) per minute
Cartridge Capacity: Up to 500 gallons (1875 liters)
Weight: 15 ounces
Height: 6.5 inches
Hose Length: 36 inches
Includes prefilter, cleaning pad, and deluxe carry bag
About Katadyn Katadyn of Switzerland has been producing high quality portable water systems since 1928. Their history has been one of innovation and durability. Katadyn products are used by militaries, health organizations and outdoor adventurers world-wide. No other water system provides higher quality or longer lasting performance. Katadyn is the global leader in portable water treatment. With subsidiaries in the United States, Germany, France, and Singapore; Katadyn develops, produces, and distributes high quality products which are used whenever safe drinking water isn't available--for travel, camping and humanitarian operations.
From Backpackgeartest.org The Katadyn Vario Microfilter is part of the backcountry series filter line. The manufacturer indicates this filter line is good for all round use. The manufacturer claims that this filter meets the industry standards for reduction of bacteria (99.9999% Klebsiella terrigena) and protozoan cysts (99.9 % Giardia and Cryptosporidium)...read the entire review
Click here for more information about Katadyn Vario Multi Flow Water Microfilter
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