Uses Free-hanging, ambient air cleaners from Airflow Systems Southwest are self-contained units typically installed in multiples to create a planned air circulation pattern to filter and re-circulate the air throughout the industrial shop. Our industrial air cleaners are at work filtering the air of a broad range of contaminants, including welding smoke and fumes, wet and dry grinding dust, oil mist smoke, sanding dust, and powders. Typical applications include welding operations, woodworking shops, and auto body repair shops.Available Models F-Series Versatile media air cleaner provides maximum filtration, including dust, smoke, mist, and odors. Airflow ranges from 1400 to 6000 CFM.T-140 Media air cleaner with maximum air flow design for light to medium applications, with airflow from 3500 to 4500 CFM.TC-4 Free-hanging collector with self-cleaning cartridge filters for heavy-duty applications; airflow capacity is 3600-4500 CFM. Features & Benefits of Media Air Cleaners Low maintenance filters can be replaced or cleaned when dirty; no tools needed for filter change-out.Totally enclosed direct-drive motor-blower unit ensures quiet operation and long life.Four-way airfoil grille provides easy, precise air flow adjustment.Large main filters provide 98% filtration efficiency.Non-electrostatic operation for maximum reliability.