- Strong absorption of aerosol particles. - 4 high-efficiency and large capacity ring filter elements. - The filtration efficacy of activated carbon + HEPA reached 99.99% and the filtration accuracy is <0.3 um. - 60 mm Large diameter suction pipe with suction capacity up to 4.5m3/min. - 500 W High power strong negative pressure suction. - Droplets, aerosol inhalation rate >99%. - Transparent diamond shaped suction mask specially designed for oral cavity without obstructing visual field. - Multi-joint aluminum suction arm, can be easily adjusted to any direction. - High power, high suction imported DC brushless motor. - Dual UV sterilization. - Noise is <62db. - Remote control. *Note that extra delivery fees may be applied to this item. For more info contact Toothpick Customer Support or check out Terms and Conditions policy.