Best Portable Water Filter

No matter what adventure you plan on undertaking, you will certainly require water to fuel your efforts as you undertake it. Although sparkling mountain streams and rushing creeks typically appear crystal-clear and pure, be aware that they can often harbor dangerous organisms and particles that can quickly turn your adventure into a nightmare. The best way to avoid this microscopic slew of unwelcome hitchhikers is to arm yourself with a water filter or purifier. Both have the ability to fight against bacteria and protozoa, but only a purifier can fight against viral threats. It is a good idea to do your homework regarding the water quality in the area you intend to explore so you can prepare accordingly. Below are some of the best choices for a portable water filter based on filter quality, efficiency, and reliability. Top performing purification tablets were also included in this list to assist those who desire the added protection against viruses.

Sawyer 3-Way Inline Water Filter

This filter is a fantastic option, and avoids chemicals and pumping altogether. Weighing in at a mere 2 ounces, this system is a great addition to an emergency kit or the gear pile of any outdoor enthusiast. Read Full Review

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    Why it's best:

    The 3-Way Inline Water Filter is a solid top choice due to its rapid flow rate, incredible ease of use, and ability to produce insanely filtered water. Sawyer is notorious for top-notch filters. This one, if used correctly, offers exceptional protection from bacteria and protozoa since these organisms can't physically pass through the filter pores. Sawyer also makes a purifier that can remove viruses if that is a possible issue on your trip. When the filter is in place, you can simply fill up your bladder and immediately start drinking. If your water source contains large particles or sediments, it's a good idea to pre-filter your water through a cloth, microbag, or even a coffee filter before running it through the filter to avoid damage. The system also comes with a faucet attachment so you can filter tap water while traveling. To top it all off, you get a one million gallon guarantee, which means if you properly clean and care for your filter, it can last a lifetime.

    Sawyer 3-Way Inline Water Filter

    Katadyn Pocket Water Filter

    This water filter offers exceptional and dependable performance. It is extremely easy to use and clean, and will continue to provide you with filtered water even in extreme situations. Read Full Review

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      Why it's best:

      The Katadyn Pocket Water Filter is an enduring favorite due to its reliability, durability, and versatility. This brick house of a filter is rock-solid, and can handle some hard core use and abuse. The ceramic filter is a breeze to clean with the scrub pad, and as long as you keep that filter clean, pumping is a breeze and the flow rate is stellar. A pre-filter on the intake tube helps keep larger particles away from the filter. The 20-year warranty isn't too shabby either. One potential downside is the weight of this filter (20 oz), but many individuals feel that its performance is worth the extra weight.

      Katadyn Pocket Water Filter

      Platypus Gravityworks Filter

      GravityWorks is a simple and efficient way to filter a lot of water in a short amount of time. You don't even have to do anything while the filtration is happening - a convenience which frees you up for other tasks around camp or on the trails. Read Full Review

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        Why it's best:

        This filter is an excellent option if you want a lot of filtered water fast, and with very little effort. GravityWorks, as the name implies, relies on gravity filtration, and comes with two 4-liter reservoirs. Both have attached loops so you can easily hang them from whatever happens to be nearby. One reservoir is dedicated exclusively to clean, filtered water (for obvious reasons). In fact, the only way the "clean" bladder can be filled with water is through the filter itself: a design which prevents you from accidentally putting dirty water into both bags and contaminating your entire apparatus. A quick backflush at the start of each filtering session takes seconds, and will extend the lifetime of your filter. Just hang the bags, and in about two and a half minutes, you'll have 4 liters of filtered water.

        Platypus Gravityworks Filter

        Katadyn Micropur Water Purifier Tablets

        These tablets are super easy to use, lightweight, and individually wrapped. Popping one per quart of water will purify your water and add minimal, if any, aftertaste. They are effective against bacteria, viruses, and the infamous Giardia and Cryptosporidium parasites. Read Full Review

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          Why it's best:

          These chlorine dioxide tablets are great for packing light, and involve no effort aside from dropping them into your water container. Adding one tablet per quart of water will kill viruses, bacteria, and protozoan parasites such as Giardia and Cryptosporidium. A potential disadvantage is the wait time for the tablets to work. Four hours is ideal for maximal purification, but you may not have to wait that long depending on water quality and the organisms present in the water. Planning your purification sessions ahead of time, such as right before bed, will make the wait time a non-issue. The tablets are individually wrapped, easily packable, and have a very long shelf life. Most users have found there to be little, if any, aftertaste. These tablets are a great addition to an emergency kit, and can be used in conjunction with a filtration system if you are extra-concerned over the quality of water that will be available during your trip.

          Katadyn Micropur Water Purifier Tablets

          CamelBak All Clear UV Microbiological Water Purifier

          The CamelBak All Clear offers exceptional and dependable performance. It is simple, efficient, and will continue to provide you with decontaminated water wherever your travels may take you. Read Full Review

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            Why it's best:

            The CamelBak All Clear is an extremely popular water purification system for domestic and international travelers as well as day hikers who prefer not to carry anything more than a water bottle. The system is extremely easy to use simply fill the water bottle from your chosen water source (such as a tap, spout or stream), screw the lid back on, press the button on the cap to initiate the UV light, and gently agitate the bottle for one minute while the UV light works its magic. A 60-second counter will let you know when your water has been decontaminated of potentially dangerous microbes. You will eventually need access to a power source for a recharge, but plan on getting around 80 purification cycles with each full charge. If you plan on using this system during backcountry excursions or more rugged adventures, consider the separately sold All Clear Pre Filter to prevent any larger sediment or debris from getting into your water bottle prior to initiating the UV process.

            CamelBak All Clear UV Microbiological Water Purifier
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