The HyperFlow microfilter utilizes the latest Hollow Fiber Technology and our most advanced engineering to make water treatment so small and so easy to use, it will change the way you travel in the backcountry. Its ergonomic design, diminutive size and tool-free maintainability make it just as appropriate on day trips as it is on multi-day excursions. Add a filtration rate of 3-liters per minute and you've got the most efficient microfilter ever created. Also included is a Quick Connect bottle adaptor-allowing direct connection to all MSRr hydration products and a variety of other "wide mouth" containers-and an advanced prefilter to prolong the life of your filter.

High Flow Rate: Pumps more than 3 liters per minute or one liter every 20 strokes.
Ultralight: Just 7.4 oz. (209 g).
Ultra-small: Just 7x3.5 in. ( 17.8 x 8.3 cm) makes it easy to take along even when space is at a premium.
Field-Maintainable: Can be cleaned repeatedly for flow recovery without tools.
Super Convenient: Quick Connect bottle adapter lets you filter water directly into a variety of containers, including all MSR hydration products and other wide-mouth containers

Restore flow rates in your HyperFlow Microfilter with fresh, new Hollow Fiber media.

Filters up to 1000 liters. Results will vary depending on conditions.

A complete kit for periodic maintenance of your HyperFlow Microfilter pump.
Made in USA

The HyperFlow microfilter utilizes the latest Hollow Fiber Technology and our most advanced engineering to make water treatment so small and so easy to use, it will change the way you travel in the backcountry. Its ergonomic design, diminutive size and tool-free maintainability make it just as appropriate on day trips as it is on multi-day excursions. Add a filtration rate of 3-liters per minute and you've got the most efficient microfilter ever created. Also included is a Quick Connect bottle adaptor-allowing direct connection to all MSRr hydration products and a variety of other "wide mouth" containers-and an advanced prefilter to prolong the life of your filter.

High Flow Rate: Pumps more than 3 liters per minute or one liter every 20 strokes.
Ultralight: Just 7.4 oz. (209 g).
Ultra-small: Just 7x3.5 in. ( 17.8 x 8.3 cm) makes it easy to take along even when space is at a premium.
Field-Maintainable: Can be cleaned repeatedly for flow recovery without tools.
Super Convenient: Quick Connect bottle adapter lets you filter water directly into a variety of containers, including all MSR hydration products and other wide-mouth containers

Magnetically clip your reservoir's drink tube right where you want it for easy retrieval. Just attach the clip to your pack strap or clothing and hook its magnetic mate to the hose to secure your drink tube. This accessory fits both 1/4"and 5/16" diameter drink tubes.

Replacement ceramic filter element for both MiniWorks and WaterWorks microfilters provides increased flow rates for older models.

The MiniWorks EX microfilter is the worldwide best-selling microfilter, delivering long-lasting, field-maintainable water filtration in demanding environments. Engineered for frequent and heavy use, it utilizes our workhorse MarathonT EX carbon/ceramic element to ensure clean, reliable and taste-free water. Thanks to its innovative AirSpring AccumulatorT, it's capable of pumping one liter per minute and the flow rate can be renewed easily and repeatedly in the field-no tools required. It's lightweight and compact and, most importantly, been proven reliable by thousands of adventurers just like you.

Reliable: Durable carbon/ceramic element ensures safe, taste-free water-even with frequent, heavy use.
Field-maintainable: Can be cleaned repeatedly for full filter recovery with no tools required.
Fast Flow: AirSpring AccumulatorT increases filtration speed; up to 1-liter per minute.
Better-tasting Water: Carbon core removes unpleasant tastes and odors caused by organic compounds, such as iodine, chlorine, and pesticides.

Find the nearest stores that have stocked this product within the last six months by simply entering the city, state abbreviation, or postal code, and then clicking GO. We suggest you call the stores listed to confirm availability of the gear you want.

From the high mountain passes of Peru’s Cordillera Blanca, to high-traffic wilderness areas closer to home, Aquatabs water purification tablets quickly and reliably purify drinking water on-demand. They’re effective against viruses, bacteria and Giardia cysts, providing safe drinking water in just 30 minutes. Ideal for ultralight backcountry travel, they’re also great for international travel and domestic emergency use. And because they’re individually packaged, they travel well, making the ideal emergency back-up to any microfilter.

Effective: US EPA approved; effective against viruses, bacteria and Giardia cysts. (*Aquatabs® are not effective against Cryptosporidium.)
Fast: 30-minute treatment time.
Ideal For: Ultralight backcountry travel, international travel, emergency kits.
Contents: 30 individually packaged tablets per box. Treats up to 60 Liters.

With its simple, rugged design and versatile use modes, the ultralight QuickDraw makes dependable water filtration easier than ever.

Light, fast, easy and reliable. The best water filter system per ounce, period.