Dangerous.

Invisible.

Airborne Particulates.

Windsor Sensor vacuum micro air filter is  professional, commercial-grade vacum filter that traps dangerous spores, pollen and particulates that are dangerous to the young, elderly and sick . . . meet your moral duty to protect those who can't protect themselves . . . or, Karma will find you.

Top Users:  Hospitals, Nursing Homes, Day Care, Office Buildings, Schools, Universities, Airports, Theaters, Stadiums, Restaurants, Churches, Manufacturing, Automotive, Resorts + Hotels, Fire Departments, Government, Military, etc.

Windsor Sensor vacums.  Equal to Windsor 5301ER and REN08063 air filters.

When health and safety of others (including your own) . . . just matters more.