Processing and manufacturing plants typically relies on circulating fans for air cooling. These motors and fans can become covered in airborne contaminants from facility environment. The fan shroud air filter eliminates particle build-up and blow-off back into the facility and onto finished products. Washable electrostatic filter media is available in white or black honeycomb woven polypropylene. Easy to clean media that is nonreactive to chemicals or corrosive environments. White media is FDA approved for food processing/AIB audit applications. Black media is UV protected for outdoor applications.