This Winix Zero in white is a powerful air purifier that cleans your indoor air quality for 99.99% and is suitable for all rooms up to and including 99 metres square. With a powerful CADR (Clean Air Delivery Rate) of 390 metres cube per hour, this air purifier helps you to purify your living room, bedroom or office space from particulate matter, allergies, bacteria and viruses. This air purifier is extremely effective at filtering pollen, house dust mites, particulate matter (PM2.5), pet hair, mould spores, household odours (VOCs) and cigarette smoke. It uses a 4-stage filtration system and filters the indoor air quality through a pre-filter, a carbon filter, an H13 HEPA filter (99.99%) and the PlasmaWave technology. Using the automatic mode and smart sensor technology, this air purifier proactively cleans the air indoors. As a result, this air purifier ensures that you breathe clean air as long as you use the air purifier. Filter change up to 12 months.