In addition to using the handle to carry these exhausters, you can mount them to a wall, bench, or floor. They remove fumes, vapors, and fine dust particles from your space. They are commonly used in welding, soldering, and other operations that create fumes. All have a totally enclosed motor enclosure, which can be used in dirty, dusty, and damp environments. They have a flexible hose with nozzle to capture fumes at the source and rubber pads on the base to reduce vibration.