Types of Treatment Systemsįilters and purifiers have mechanical differences, too. Freezing temperatures don’t impair the effectiveness of UV light or chemical treatment unlike the damage it causes to hollow fiber and ceramic elements. Because of their time-consuming nature, these methods are far less common, except in cold-weather environments. Neither of these methods remove particulate matter though, so first, you’ll want to filter water (either with a system or with a piece of fabric) or let it rest so you can separate out the clear stuff. Water can also be purified by UV light or chemicals, which kill microorganisms or block their ability to reproduce, making the treated liquid safe to drink. However, like other adsorptive elements, carbon has a shorter lifespan and is especially taxed by sediment-rich water. Sometimes companies pair hollow-fiber or ceramic filters with activated carbon, which neutralizes tastes and odors by trapping contaminants to its surface. Compared to their ceramic counterparts, these elements are cheaper to produce (saving you money) but have shorter lifespans, requiring replacement sooner. (For comparison, a human hair measures 25 microns or more.) Many filters and purifiers, including the majority on this list, have hollow-fiber elements. These pores typically measure 0.2 micron for filters and 0.01 micron for purifiers. They push water through a hollow fiber or ceramic element with very small pores so the liquid can escape but bacteria, protozoa, and other harmful contaminants can’t. The Year's Best Camping and Backpacking Tentsĭespite the difference in their capabilities, the way filters and purifiers work is similar. Exceeds EPA purifier requirements for bacteria and protozoa removal.Use the included scouring pad to clean your filter up to 40 times, prolonging its life. 3 microns and can purify 1 liter in 2 minutes. Filter exceeds EPA purifier requirements for removal of bacteria and protozoa. The MiniWorks filter is ultra-compact, light, easy to use, and can go with you on short day hikes and multi-month international treks. Marine Corps as the filter of choice for fast-and-light missions. That's why it was selected by the Amphibious Raids & Reconnaissance Division of the U.S. No other filter available offers the field maintainability of the MiniWorks filter. The MSR® MiniWorks® Ceramic Filter is a little filter that's huge on value and versatility.
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