DuraMax Extraoral Suction System, Built-in Filtration,110V.This aerosol control system removes contaminants produced during dental procedures including droplets, aerosols, blood, dust, and virus and uses the most advanced Quattro layer filtration system to kill virus and bacteria absorbed with over 99. 9% efficiency. During treatments, a high volume of droplets and aerosols are produced by high speed handpieces, ultrasonic scalers, and air water syringe that can linger in the air for up to two hours. This