Platypus GravityWorks 2.0 Liter Pump-Free Microfilter Water System - Complete Kit

The minimalist GravityWorks 2.0L Bottle Kit system is ultralight and ultracompact, thanks to a simple adapter that easily connects the pump-free water filter system directly to a water bottle or hydration reservoir. This setup conveniently filters water for 1-4 people in the backcountry.

Bottle Kit: Minimalist setup uses a Universal Bottle Adapter to connect the system directly to an existing water bottle or reservoir
No pumping: Just fill the dirty reservoir, hang it, and let gravity do the hard work.
Fast: Filters up to 1.5 liters of water per minute; filter lifetime up to 1,500 liters of water.
Effective: Meets all EPA & NSF guidelines for the removal of 99.9999% of bacteria and 99.9% of protozoa*
Field-cleanable: Microfilter can be easily backflushed in 4 seconds to maintain filter performance.
Made in USA of US and imported materials.

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