Profile: Blockstopper specializes in offering grease traps that fit easily and conveniently underneath or down line of most sinks. We provide blockstopper, which is a low level unit designed for use in commercial kitchens such as hotels, restaurants, and fast food outlets. It has an unique filter housed in a stainless steel tank. As waste water is passed through the unit, the filter retains solid waste particles such as heavy oil and grease. It takes approximately 10 minutes to remove the filter, clean it, and re-insert it. No plumber is required to clean the filter.