Katadyn Survivor 35 Desalinator
The benchmark hand-powered marine desalinator
Prices checked Jun 2026. Marketplace prices change often — verify the latest price before buying.
Our Review
The Katadyn Survivor 35 is the gold standard in hand-powered desalination — the unit carried in commercial and military life rafts because it reliably turns seawater into drinking water with nothing but muscle power.
At around 4.5 liters per hour it far outpaces cheaper manual desalinators, and its rugged construction is built to survive years in a ditch bag. It's a serious investment, but for offshore sailors it's the survival tool worth having.
Pros
- Highest manual output in its class (~4.5 L/hr)
- Proven, rugged design carried in professional life rafts
- No power required — pure muscle power
Cons
- Expensive for a manual unit
- Sustained pumping is physically demanding
The HU Recommendation
If you go offshore, this is the manual desalinator we'd trust in a life raft. Pair it with a powered watermaker aboard for daily use and keep the Survivor as your fail-safe.
Prices checked Jun 2026. Marketplace prices change often — verify the latest price before buying.
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