Product Detail mobile air cleaning system with a flexible suction duct. The unit is designed to capture drill aerosols, abrasion powder and mercury vapors during dental procedures. The flexible suction duct is typically placed on the patient's chest from where it directly captures drill aerosols and mercury vapors before they can spread. . The "IQAir Dental HG FlexVac Air Cleaner" is best product for you. We recommended IQAir Dental HG FlexVac Air Cleaner