Plexus cleaner used for clear enclosures and high gloss interior finishes on sportfish boats.Plexus was developed for use in the aviation industry – specifically, for cleaning and protecting aircraft windshields. As Plexus became more and more popular, people quickly discovered it could be used on a limitless variety of plastic surfaces. Since then, Plexus has continued to grow in popularity, and today it is recognized as the most effective plastic cleaner, protectant and polisher on the market.