Features and Benefits:Includes 6" x 10' extractor arm1.5 hp850 CFM4 stage filter - 1. Stainless steel mesh - 2. Aluminum mesh - Pre-pleated filter -4. HEPA filterPortableFull steel constructionCSA ‐ U.S. certifiedTool-less filter maintance110VFume extractors are an important part of any welding shop. They help keep the areas clean and the air the workers breathe safe. The FE-850 welding fume extractor is a portable unit that has many of the feature that most shops are looking for.