Meet the GravityWorks 4.0L Water Filter System – your effortless solution for pure backcountry hydration. Perfectly designed for group camping trips or extended basecamps, this high-capacity system eliminates pumping entirely! Simply fill the included 4-liter dirty reservoir, hang it up, and let gravity do the heavy lifting while you relax – filtering water has never been this easy or fast.
Experience Unmatched Convenience & Performance:
Fill, Hang, Relax: Achieve filtered water freedom without tedious pumping – ideal when energy is precious outdoors.
Rapid Flow Rate: Get clean water fast with a flow rate up to 1.75 liters per minute.
Proven Protection: Trust every hollow fiber microfilter individually tested to meet strict EPA & NSF standards, removing 99.9999% of bacteria (like E.coli & Salmonella) and 99.9% of protozoa (including Giardia & Cryptosporidium).
Group-Ready Capacity: The total 8-liter capacity (4L clean + 4L dirty) effortlessly supplies ample drinking, cooking, and cleaning water for your entire adventure crew.
Lightweight & Compact: At just 11.5 oz., the entire system packs smaller than most standard water bottles.
Easy Maintenance: Keep performance peak by quickly backflushing the microfilter in seconds right in the field.
Simple Operation: Scoop source water easily into the open-top reservoir; control clean water delivery precisely with the hose shutoff clamp.
Perfect For Your Next Group Camping Adventure! Everything you need comes included: Clean reservoir (4L), Dirty reservoir (4L), Hollow Fiber Microfilter (rated for ~1500 liters), hoses with shutoff clamp, and storage sack.
WARNING: This product can expose you to styrene, which is known to the State of California to cause cancer.
