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    Desalination Systems

    Katadyn Survivor 35 Desalinator

    The benchmark hand-powered marine desalinator

    HU Editorial Team · Updated Jun 2026 · Method · Sources

    HU score
    8.7/10
    How we scored
    Seller's listed price
    $2,000–$2,600
    Checked Jun 2026; not a promise
    Best for
    Life rafts, offshore sailors, and serious marine kits
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    Evidence

    FormatDesalination
    Listed output / capacity~4.5 L/hour (hand-pumped)
    InstallNot listed by seller
    Seller-listed certificationNone listed by seller
    Replacement intervalNot listed by seller
    Price band$1,500 – $5,000 (seller's listed price: $2,000–$2,600)
    What we did not testHU did not lab-test this unit. No contaminant-reduction, output, or durability result on this page is an HU measurement.

    Certifications are quoted as listed by the seller, with the standard name. Check the certifier's listing for the exact model.

    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

    Limits

    • Expensive for a manual unit
    • Sustained pumping is physically demanding

    The HU recommendation

    This page lists product features and specifications. Consult the manufacturer for current model details and instructions.

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    Sources

    1. Katadyn manufacturer documentation · specifications as listed by the seller; HU did not independently verify

    Shopping links lead to third-party sellers; HU does not sell, ship, or refund. Updated Jun 2026. Read how we score, how we make money, and the Product Information Disclaimer.

    For information about product claims, water quality, and shopping links, please refer to our Product Information Disclaimer.