An ultralight and versatile water filter that makes it easy to treat water for 2-4 people on backpacking, hiking, and backcountry trips, the pump-free GravityWorks 2.0L Complete Kit filters up to 1.5 liters a minute. Plus, it comes with a complete range of adapters, and a high-capacity collapsible bottle, for easy tailoring of the system to meet different needs on different trips. -Complete Kit: Easily configure the system to your needs with the included 2.0L flexible water bottle and adapters* for maximum versatility and adaptability. -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 1.5 liters per minute; microfilter lifetime up to 1,500 liters of water. -Effective: Every microfilter is individually tested to ensure it meets EPA & NSF guidelines for the removal of 99.9999% of bacteria and 99.9% of protozoa**. -Ultralight & Ultracompact: System can weigh as little as 6.3 oz. (180 g) and stows smaller than most 1L bottles (depends on configuration). -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: 2.0L Platy(TM) bottle, 2.0L Dirty reservoir, Hollow Fiber microfilter, Universal Bottle Adapter, Push-Pull Cap Adapter, hoses, storage sack. *Adapters interface with all Platypus bottles, push-pull sport bottle caps, and most bottles from NalgeneA(R), Klean KanteenA(R), CamelBakA(R) and many more (these trademarks are not owned by Cascade Designs, Inc.) **This includes Giardia, Cryptosporidium, E. coli, Salmonella and Cholera. TECH SPECS SKU:- 06951 Size:- 2.0 liter Complete Kit Minimum Weight (Standard):- 6.3 oz Minimum Weight (Metric):- 0.18 kg Total weight (standard):- 10.9 oz Total weight (metric):- 0.31 kg Weight (Standard):- 10.9 oz Weight (Metric):- 0.31 kg Width (Standard):- 3 in Width (Metric):- 8 cm Length (Standard):- 9 in Length (Metric):- 23 cm Effective against bacteria:- Yes Effective against chemicals/toxins:- No Effective against particulate:- Yes Effective against protozoa:- Yes Effective against viruses:- No Filter media:- Hollow Fiber Filter pore size (microns):- 0.2 Flow (L/min):- 1.5 liters per min Cartridge life:- 1500 liters Field cleanable:- Yes Water Bottle Adapter:- Yes Cartridge replacement indicator:- No Material(s):- Polyethylene Country of Origin:- Made in U.S.A. of U.S. and Imported Materials