Platypus GravityWorks Water Filter System – 4L

High-capacity, pump-free water filtration for groups and basecamps.

Filtering up to 1.75 liters a minute without any pumping, the high-capacity GravityWorks Water Filter System filter is one of the easiest and fastest ways to get filtered water in the backcountry.The 4L GravityWorks is ideal for multi-person backpacking groups or basecamps. Offering an 8 liter total capacity,this model easily supplies filtered water for drinking, washing up, cooking, and cleaning. Simplify your water collection with the GravityWorks system and spend more time enjoying your group.

• No pumping:Just fill the dirty reservoir, hang it, and let gravity do the hard work—yep, filtering water can be as easy as fill, hang, relax.

• Fast:Filters up to 1.75 liters per minute; microfilter lifetime up to 1,500 liters 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 liter (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.

Comes with: Clean reservoir (4.0L), Dirty reservoir (4.0L), Hollow Fiber microfilter, hoses, shutoff clamp, and storage sack.

*This includes Giardia, Cryptosporidium, E. coli, Salmonella and Cholera.