Automatically senses & captures pollutants. Purifies & heats the whole room Dyson purifiers combine intelligent sensing with an advanced HEPA H13 filtration system that captures gases 2 & 99.95&37; of particles as small as 0.1 microns.1 & only Dyson purifiers have powerful Air Multiplier TM technology to purify the whole room.3 Purified Air Stay comfortable & cool with the fantastic HP7A. Combining advanced filtration with Air Multiplier technology, this tower fan will generate powerful circulation to draw in pollutants as well as project over 290 litres a second. The result is purified air projected throughout your rooms in your home. The HP7A is fully sealed to HEPA H13 as standard, capturing 99.95&37; of allergens & pollutants as small as 0.1microns inside the appliance. You'll always breathe easier with a Dyson. Thanks to there being no naked revolving blades, it’s safe to use around children. With no dust trapping grille or blades, it’s easy to wipe down & keep clean. Smar...