The IQAir HealthPro Series features HyperHEPA filtration technology for excellent airborne particle removal. IQAir's HyperHEPA filtration is tested and certified by an independent third-party lab to filter 99.5% of harmful ultrafine pollution particles down to 0.003 microns in size.This is 100 times smaller than 0.3 microns. Ultrafine particles are smaller than 0.1 microns, make up about 90% of all airborne particles, and have been linked to heart attacks, strokes, asthma, and even cancer. IQAir's HyperHEPA filtration in the HealthPro Series is proven and certified to filter 99.5% of all particles down to 0.003 microns - the smallest particles that exist. The item "IQAir HealthPro PLUS SUPER HEPA/VOC Air Purifier MINT Condition Ready To Use" is in sale since Tuesday, November 9, 2021. This item is in the category "Home & Garden\Home Improvement\Heating, Cooling & Air\Indoor Air Quality & Fans\Air Purifiers". The seller is "7sevenn7" and is located in Long Beach, California. This item can be shipped to United States.