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. Specifications: * 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.Round pump handle for easy pumping; outlet hose attaches to containers with clip. Filters all microorganisms larger than 0.2 microns to produce clear, drinkable water. Filter's silver-impregnated ceramic element is effective against bacteria and protozoa. Pocket water filter designed four outdoor enthusiasts and international travelers.Model Name: Katadyn - Pocket Microfilter. Item Weight: 0.46 Pounds. Power Source: Ac/Dc. Included Components: Water Filter, Storage Bag, Cleaning Pad. Capacity: 1.3 Pounds. Material: Ceramic. Product Dimensions: 5.43"L x 2.56"W x 1.5"H. Color: Blue. Brand: Katadyn. Date First Available: August 7, 2003. Best Sellers Rank: #46,606 in Sports & Outdoors. Customer Reviews: 4.7 out of 5 stars 619 ratings 4.7 out of 5 stars. : B0007U00YE. Sport Type: ?Camping & Hiking. Size: ?One Size. Included Components: ?Water Filter, Storage Bag, Cleaning Pad. Style: ?Pump. Part Number: ?8013618. Manufacturer: ?Katadyn. Number of Items: ?1. Suggested Users: ?Unisex. Material: ?Ceramic. Color: ?Blue. Model Name: ?Katadyn - Pocket Microfilter. Country of Origin: ?Switzerland. Brand Name: ?Katadyn. Item Weight: ?0.46 Pounds. Item Dimensions LxWxH: ?2.56 x 5.43 x 1.5 inches. Package Weight: ?1.11 Kilograms. Item Package Dimensions L x W x H: ?11.14 x 8.31 x 4.65 inches.