The Watercell X is Sea to Summit's mid-size collapsible water container, available in 4 / 6 / 10 / 20-liter sizes (10L shown). TPU-coated nylon shell rolls flat for stowing. Threaded valve compatible with inline filters (Sawyer, Katadyn, MSR) so it doubles as a gravity-filter reservoir. Hang loop on top for branch or roof-rack mounting. The container most overlanders use as the secondary backup behind a hard-sided tank.
Sea to Summit
Watercell X 10L Water Container
Shipping
$44.73
1 retailer
At a glance6 specs
valve
Threaded for inline filter compatibility
material
TPU-coated nylon
hang loop
Yes
weight oz
7
capacity l
10
sizes available l
4, 6, 10, 20
Where to buy
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Description
Last reviewed May 16, 2026
Full specifications
6 fields
| valve | Threaded for inline filter compatibility |
|---|---|
| material | TPU-coated nylon |
| hang loop | Yes |
| weight oz | 7 |
| capacity l | 10 |
| sizes available l | 4, 6, 10, 20 |
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