To reduce maintenance and operating costs of the equipment and to provide the level of cleanliness required, and

• Protecting the general well-being of the occupants of a space;
  
  
• Protecting the décor of occupied spaces by removing the staining portion of airborne dust;
  
  
• Reducing maintenance of building interiors by reducing the freuency of washing such items as Venetian blinds and fluorescent bulbs;
  
  
• Protecting the contents of occupied spaces including paintings, tapestries, and other items of historic or cultural value;
  
  
• Eliminating fire hazards by removing lint and other materials that might accumulate in ductwork;
  
  
• Extending shelf life of perishable dairy products by removing airborne mold and bacteria during processing operations;
  
  
• Removing airborne bacteria from operating room environments to help prevent postoperative infection.
  
  

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