What if there was a way to quickly and economically fortify your rocker switches, taking them from ordinary to fully fortified? That’s the question CSFI asked some time ago, and it has since engineered the solution to answer it. Introducing CSFI’s cost-effective rocker switch seals–designed to fully protect your rocker switches against the damaging effects of saltwater, dust, fungus and more. Their composition as well as their one-piece, form-fitting, wrap around shape lends them exceptional sealing capacity.