MSR AutoFlow Gravity Filter 4L
Filters up to 1.75 liters of water per minute. Fast no pump system with a light weight design.
- Tested: Meets NSF protocol P231 for removal of bacteria (99.9999%) and protozoa (99.9%) from beginning to end of filter life in “worst-case” water.
- No Pumping: Lets gravity do the work so you don't have to.
- Fast: Filters more than 1.75 liters per minute.
- Lightweight: 2-liter system weighs only 300 g (10 oz.). 4-liter system weighs just 315 (11.1 oz.)
- Field-Maintainable: Can be backflushed repeatedly without disassembly to regain flow rates.
- Adaptable: Filter directly into most any bottle or reservoir with included Universal Bottle Adapter.
Made in USA