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Katadyn Pocket Water Microfilter

by Katadyn
4.6 out of 5 stars 318 customer reviews
| 30 answered questions

List Price: $369.95
Price: $291.43 & FREE Shipping. Details
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  • Pocket water filter designed four outdoor enthusiasts and international travelers
  • Filter's silver-impregnated ceramic element is effective against bacteria and protozoa
  • Filters all microorganisms larger than 0.2 microns to produce clear, drinkable water
  • Round pump handle for easy pumping; outlet hose attaches to containers with clip
51 new from $285.98 1 used from $285.00
$291.43 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

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Technical Details

Product Description

Product Description

For over 30 years, the Katadyn Pocket Microfilter has been the top choice water filter for emergency preparedness, professional-use and militaries globally. Engineered with the highest quality construction; it can handle the most rugged conditions. The 0.2 micron silver-impregnated ceramic filter element can lasts an impressive 50,000 liter, depending on water quality.


Water treatment products are in high demand for outdoor enthusiasts, international travelers, and relief agencies. Few are better for long-lasting continuous use, however, than the Katadyn Pocket water microfilter. Made of heavy-duty materials, the Pocket features a silver-impregnated ceramic element that's effective against bacteria and protozoa even in extreme conditions. Unlike disposable filters, the ceramic element can be cleaned several times, even in the field. More importantly, the element filters all microorganisms larger than 0.2 microns (0.0002mm), producing clear, drinkable water no matter where in the world you are. The pump also includes an improved, round pump handle for better ergonomics and an outlet hose that attaches to water containers with a single clip.

The Pocket hails from Katadyn's Endurance series, a high-quality line of filters that produce up to 100 times more water than standard water filters. The Pocket is so tough, in fact, that it's the first choice for extreme adventurers like Mike Horn. Plus, it's the only water filter with a 20-year warranty. Other features include a measuring gauge that indicates when you should change the filtering element, a cushioned base that makes it easy to pump on all surfaces, a prefilter, and a carrying bag.

Why Water Filtration Is Important
The World Health Organization (WHO) attributes 80 percent of all travel diseases to contaminated drinking water. Drinking water contains three groups of pathogenic microorganisms: viruses, such as hepatitis A, Norwalk virus, or poliovirus; bacteria, like e-coli, salmonella, and cholera; and protozoans, such as giardia and cryptosporidium. Tap water and ice cubes are usually the culprits when traveling, but even bottled water can be questionable. The backcountry is also a source of waterborne illness. A pristine stream may be safe one day and contaminated the next, as microorganisms stemming from human and animal waste are typically spread by rain and runoff. As a result, the U.S. Center for Disease Control and Prevention recommends treating water from every source in the backcountry.


  • Usage: 1 to 4 people
  • Capacity: 13,000 gallons
  • Dimensions: 2.4 by 10 inches
  • Output: 1 quart per minute
  • Technology: 0.2-micron ceramic depth filter (cleanable)
  • Weight: 20 ounces
About Katadyn
The Switzerland-based Katadyn has been producing high-quality portable water systems since 1928. Katadyn products are used by militaries, health organizations, and outdoor adventurers worldwide, making it the global leader in portable water treatment. With subsidiaries in the U.S., Germany, France, and Singapore, Katadyn products are used wherever safe drinking water isn't available, whether for travel, camping, or humanitarian applications.

Product Details

  • Product Dimensions: 2.6 x 5.4 x 1.5 inches ; 7.4 ounces
  • Shipping Weight: 2.3 pounds (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • Origin: Switzerland
  • ASIN: B0007U00YE
  • Item model number: 8013618
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (318 customer reviews)
  • Amazon Best Sellers Rank: #26,907 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

From the Manufacturer

Filters all sediment, particles, and microorganisms that are found in ‘fresh’ water sources.

Cartridge can clean up to approx. 13,000 gallons (50,000 liters) of water, depending on the condition of the water.

Customer Reviews

Top Customer Reviews

Size: One Size
This is the most amazing water filter on the market. If you are looking for a cheap piece of junk with a plastic handle that might break, buy any of the others on the market. This is used around the world. I have used it in the US and abroad. My friend convinced me since he had used it on a mission trip in the Philippines. I talked to a guy who, while in Utah, could not find anything better than a mud puddle to drink from. He pulled out his Pocket Katadyn and it worked great. Other filters have a relatively short life span. Think about this. The Pocket has possibly a 13,000 gallon life on one filter. If you were to use this filter to pump only one gallon a day, you would need to buy a new filter element 35 years later. That's assuming your not normally drinking from a mud puddle. Even when the filter gets hard to pump and dirty, all you have to do is open it up and clean it out and it will pump smoothly again. If you consider the life span of this pump it may be the cheapest filter on the market. But if you are one of those people that like to buy cheap things that break and have to be replaced buy one of the cheap filters out there.

True this one is a little heavier, but it is worth having a filter that will work and has a metal handle so you won't have to worry about breaking it. Although if you do drop it on a rock it is possible to break the filter element. So caution is still needed.

I added the Carbon charcoal extension that enables you to drink from virtually any source. The extension was only around 10 to $12.

This is the best filter on the market.
Well worth the money.
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Size: One Size
The Katadyn pocket has a well-deserved reputation for reliability and durability. It is one of the pricier filters but is also rated to pump much more water than its competitors. The Katadyn pocket isn't light (20 oz), but the better competitor pumps are also about 16 oz., so this isn't too much heavier. Some of the others pump a little faster, but they are usually 0.3 micron filters, whereas this is a superior 0.2 micron filter. The Katydin pocket is also the only pump with a lifetime warranty (excluding wear of the ceramic filter).

If you search the web, you'll find a lot of reports of the $75 pumps eventually breaking, especially plastic handles. If you have to replace them (or their short-lived filters), you've already well into what it would cost to buy a Katadyn Pocket. This thing is pretty damn tough, and the only way to break it would be to take it apart and drop the inner ceramic filter.

I've found it easy to use, though you need to hold it upright to keep water flowing. During 8 years of trips through the Sierra Nevada, Utah, New Hampshire, and Wyoming this filter has never disappointed.

General tips to extend the lifetime of any water filter:

1) Use running water from streams/rivers whenever possible
2) Position the floater so that water inflow comes from the top of the stream and not the bottom (where a lot of sediment stirs about)
3) Rubber band a coffee filter around the prefilter to keep particulate matter out.
4) After pumping, unscrew the filter and drain the excess water. This filter is silver-impregnated though, to prevent microbial growth.

If you want to keep your packing weight down, carry your water in collapsible water bladders instead of thick plastic bottles.
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Size: One Size Verified Purchase
In 1980, this thing was $180 at REI. After a bad experience with the Lifesaver LS6000 last year, I finally pulled the trigger for the Katadyn Pocket. This review compares my experience using the Katadyn Pocket Micro/external carbon cartridge/Steripen Classic as a system vs the Lifesaver LS6000/4000 water purifier. I won't spend much time on the external carbon cartridge and Steripen here because they will be reviewed separately with links to them at the end of this review. Use this review to supplement what others are saying.

I originally chose the Lifesaver LS6000 (also now available through Amazon) over the Katadyn for a remote Arizona camping trip because it was a PURIFIER rather than just a filter. The LS6000 (LS4000 is the same technology, just smaller capacity) seemed like it would be more convenient because in actual operation, it is essentially a single, self contained collector/water bottle with an integrated activated carbon filter. But after a frustrating 1 week experience with the LS6000 putting GALLONS of water through trying to get rid of a cheap plastic taste, I finally returned it to the distributor.

I paid return shipping for the privilege of testing the LS6000 and I still wasn't going to have a filter for my trip. Not too happy about that. While it was probably filtering to the 15NM spec, more than 13 times the filtering power of the Katadyn (200NM), it just didn't hold up to the video claims that the water produced tasted like bottled water. That was my only real beef with the LS6000. See my review under the LS6000.

The backup plan was to order the Swiss made Katadyn Pocket Microfilter, along with the Katadyn activated carbon filter cartridge and the Steripen Classic...all at fantastic sale prices + free super saver shipping at Amazon.
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10 Comments 291 of 313 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Katadyn Pocket Water Microfilter
This item: Katadyn Pocket Water Microfilter
Price: $291.43
Ships from and sold by Amazon.com