AdvanSea Depth S400 High Performance Depth Sounder With Giant 45 Mm Digits For Instant Clear Readouts RV and Marine Toilets Periodically inspect the sliding cassette

Periodically inspect the sliding cassette for smooth operation and apply a light lubricant to keep deployment silky for seasons to come

Sealing and ventilation options choose wholly water-tight

low-maintenance solution for small boats and crewed vessels

Installation and maintenance tips

knot-free sling

AdvanSea Depth S400 High Performance Depth Sounder With Giant 45 Mm Digits For Instant Clear Readouts RV and Marine Toilets Periodically inspect the sliding cassetteadvanSea Depth S400: Hi Performance Depth Sounder with Giant Digits The advanSea Depth S400 redefines on board depth awareness for serious sailors. Built for peak performance and rock solid reliability, this depth sounder turns complex underwater data into instant, readable readouts. Read depth at a glance with giant 45 mm digits and amber backlighting, designed to stay legible from cockpit glare to squally sprayso you can keep your focus on the task