Purify your living spacebreathe in cleaner fresher healthier air with the vonhaus true hepa air purifierr eliminate 997 of airborne pollutants boasting an advanced multi layer 4 filter system with 4 stage air purification this quiet but powerful purifier effectively eliminates impurities in indoor environmentsr pre filter eradicates larger airborne pollutants greater than 20 micron such as dust and animal hairr true hepa filter eliminates more than 997 of micro sized airborne pollutan