3 Cleaning preparations for cleaning surfaces - Concentrated Marine Barnacle-Solvent, Cooling-Flush and Descaler - Marine Growth Remover for dissolving barnacles and marine growth. Can be also used for degreasing and parts cleaning. Safe, non-toxic, biodegradable and contains no VOC's. Marine Descaler Kit - Complete kit included everything normally needed for power flushing sea-water and fresh-water cooling systems, water cooled air conditioners and refrigeration condensers. Includes 120 VAC submersible pump, connection hoses an typical fittings and one quart of concentrated descaler. Electo-Seal - Protects any electronic electrical circuit, exposed electronics, wiring connections, or terminal board from the effects of salt air and humidity. When sprayed on the surface it creates an acrylic conformal coating