Choosing an air purifier involves comparing many brands across a set of technical and practical criteria. The key parameters for any honest comparison are: filtration technology (HEPA grade, carbon mass, additional stages), CADR rating, coverage area, noise levels, filter replacement cost and frequency, and after-sales support.
The Indian market is served by international brands including Dyson, Philips, Mi and Honeywell, as well as Indian manufacturers. O₂Cure's differentiation lies in its TriCure™ technology platform — combining HEPA, activated carbon and PHI-based advanced oxidation — and its focus on real Indian conditions including high particulate loads, monsoon humidity and commercial-grade requirements.