If your work place is loaded with VOCS consider activated carbon purifiers carbon as the safest air purification. Chemically reactive or environmentally ill people may not be able to tolerate HEPA so the Aireox is a solution to indoor air pollution and sick building syndrome as it also removes fumes and most of the other allergens. Aireox Air Purifiers were designed with high quality and reliability in mind and are designed to last a life time. People with MCS or Multiple Chemical Sensitivities react to industrial products, carpets, drapes, wood cabinet sand cars. MCS clients tolerate Aireox air cleaners and purifiers with no problems.
Electric motors require lubrication of oil.
Sealed motors such as in the Aireox units do not require exposure to the air for cooling, keep any oil or lubricant vapors from being discharged into your breathing space. Not only does this form of cooling out-gas the lubricants, it also dries out the bearing surfaces. In return this shortens the life expectancy of the motor. External motors also run hot and can be a danger to children. Aireox motors are sealed they are cool to the touch, so they are safer for children.