The H2OutTM SD 106 protects areas the size of a pick-up tool box, freezer or sail bag. The SD106 is a best seller with hunters and campers, keeping gear dry. H2OutTM Space Dryers prevent water contamination, eliminating rust, corrosion, oxidation and tarnish on electronics, tools, equipment and protect from mildew, fungus, mold and odors. Applications H2Out SD 170 cubic feet Boat Bathrooms Sail bags Truck Tool Boxes Technical Specifications ? Protects interior spaces to 170 cubic feet (Based on 50% humidity at 70? F) ? 1.75" W x 1.75" L x 6" H (11.2 oz) ? Desiccant is non-toxic, non-corrosive ? Infinitely Renewable and Reusable ? Easily Regenerate when blue turns to pink