The Gravity BeFree 3L is Katadyn's gravity-fed version of the BeFree filter, replacing pump work with a hung reservoir that drips clean water at roughly 2 liters per minute. 0.1-micron hollow-fiber element removes bacteria and protozoa (does not treat viruses). 1,000-liter filter life. 4 oz packed. The complement to a Watercell-style reservoir for backcountry water in North America.
Katadyn
Gravity BeFree 3L Water Filtration System
Shipping
$79.95
1 retailer
At a glance6 specs
removes
Bacteria, Protozoa, Particulate
weight oz
4
capacity l
3
flow rate lpm
2
treats viruses
No
filter life
1000 L
Where to buy
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Description
Last reviewed May 16, 2026
Full specifications
7 fields
| removes | Bacteria, Protozoa, Particulate |
|---|---|
| weight oz | 4 |
| capacity l | 3 |
| flow rate lpm | 2 |
| treats viruses | No |
| filter life | 1000 L |
| filter size microns | 0.1 |
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