found at Good Guys
Dyson purifiers combine intelligent sensing with an advanced HEPA H13 filtration system that captures 99.95% of particles as small as 0.1 microns.2 And only Dyson purifiers have powerful Air Multiplier technology to purify the whole room.11.Tested for air projection, purification coverage in an 81m3 room.2.Tested for filtration efficiency at 0.1 microns (EN1822). Gas capture rates may vary.