Join Date: Apr 2006
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Re: Air & Moisture Filter
There is no "moisture filter" to stop condensation in a boat. Only small ones to stop condensation in fuel vent lines.
You get a dehumidifier to keep a boat dry, and that's either a big bucket of Damp Rid, or an electric heating rod (GoldenRod) or air-conditioning type dehumidifier. Both requiring shore power.
Other than that, the simple air flow from a couple of adequate solar vents often will stop or reduce condensation. But no, there's no magic "moisture filter" on any of those.