Materials:
* Polyethylene

Effective against:
* Bacteria: Yes
* Chemicals/toxins: No
* Particulate: Yes
* Protozoa: Yes
* Viruses: No

Specs:
* Total weight: 11.5 oz / 330 g
* Weight: 11.5 oz / 330 g
* Width: 3.25 in / 8 cm
* Length: 9.5 in / 24 cm
* Filter media: Hollow Fiber
* Filter pore size (microns): 0.2
* Flow (L/min): 1.75 L per min
* Cartridge life: 1500 L
* Field cleanable: Yes
* Water Bottle Adapter: No
* Cartridge replacement indicator: No

Features:
* No pumping: Just fill the dirty reservoir, hang it, and let gravity do the hard work—filtering water can be as easy as fill, hang, relax
* Fast: Filters up to 1.75 L per minute; microfilter lifetime up to 1,500 L of water
* Effective: Every microfilter is individually tested to ensure it meets all EPA & NSF guidelines for the removal of 99.9999% of bacteria and 99.9% of protozoa
* Light & Compact: System weighs 11.5 oz (326 g) and stows smaller than most 1L bottles
* Group-ready: 8 L (4.0L filtered + 4.0L unfiltered) total capacity easily supplies water for groups
* Field-cleanable: Microfilter can be easily backflushed in 4 seconds to maintain filter performance
* Hollow Fiber Advantage: Hundreds of tiny, hollow fibers enable the microfilter to filter water faster than traditional filter media
* Easy collecting & dispensing: Collecting water is easy—simply open the top, scoop water, and close; control delivery of filtered water with hose shutoff clamp
* Includes: Clean reservoir (4.0L), dirty reservoir (4.0L), hollow fiber microfilter, hoses, shutoff clamp, storage sack