Hull Cleaner Scraper Brush For Heavy Growth Wire Brush This Analyzer uses Analox Sensor: It quickly and easily This Analyzer uses Analox Sensor: Oxylance's underwater burning rods are coated in a proprietary plating process that prevents the exterior of the rod from corrosion Over the last 2 years we have seen that there is a need for something that can remove off some heavier growth on vessels that are not getting the regular cleans they require The Brushes are the same as the White cleaning heads that come with all Hull Cleaners – but with a slight design change and added plastic angled fins that can slide over the Hull to remove the extra growth build up