H-TRIFILTER SYSTEM: This smart air purifier is equipped with Hoover's H-TRIFILTER filtration system, which applies three layers of filtration to capture and remove particles sized down to 0.1 microns FAST-ACTING: This allergens and hayfever air purifier is able to cleanse the air in your home in just 10 minutes, acting quickly to remove contaminants from the air you and your family breathe REACTIVE PURIFICATION: The Hoover 300 wifi air purifier is equipped with multiple intelligent sensors, which continuously analyse air quality and prompt the purifier to react accordingly NEUTRALISES POLLEN: This air purifier's triple-layered filter feeds into a unique treatment system that captures and neutralises pollen particles, rendering them harmless to allergy sufferers SLEEP MODE : quiet yet efficient continuous air cleaning while you sleep, with up to 10 air refreshments a night, Weight: 13.889122506 Pounds, Manufacturer: Hoover