






Gravity filter -
The Flex Gravity Bag Peak Serie 3L Mountain Blue brand's LifeStraw is a water supply tank that filters water by gravity.
This gravity filtration system uses a 0.2-micron particle filter that removes 99.999% of bacteria, parasites, microplastics, silt particles, sand and other impurities, providing you with safe, drinkable water. What's more, this optimized filtration kit ensures high flow rates and removes dirt without ever clogging up.
Weighing only 228 g, the Flex Gravity Bag Peak Serie 3L is resistant, versatile, waterproof, and easy to carry. Furthermore, this tank will not leave any aftertaste. Finally, the materials used in the design of this product are free BPA from chemicals and meet the standards of the FDA (Food and Drug Administration).
So, if you want to go camping or hiking, the Flex Gravity Bag Peak Serie 3L will be the ideal solution for filtering water from streams along the route!
PLEASE NOTE: this product does not require mains power, batteries or rechargeable batteries.


- High filtration flow rate
- Easy-to-clean pre-filter and filter cartridge
- Compact and compressible reservoir
- No aftertaste (LifeStraw does not use iodine or iodised resin particles)
- Chemical-free, BPA-free
- Complies with USFood and Drug AdministrationFDA standards
- Complies with drinking water standards US EPA and NSF P231 for the elimination of bacteria and parasites
Filter actions:
- Reduces water turbidity
- Removes 99.999% of bacteria, parasites, microplastics, silt particles, sand and other impurities
Lifespan: 2000 litres
Filter pore size: 0.2 microns
Dimensions : 22 x 52.9 cm
Pipe length: 1.20 m
In the kit:
- Pocket Flex Gravity Bag Peak Serie 3L
- Pipe
- Regular quick connector
- Carabiner
- Waterproof stopper for water storage
- Easy carrying strap
- Backwash accessory
- User manual for use