Control the device, check filter status and ambient air quality level directly from the HPLUS APP CADR of 300 cu m/ hr., covers up to 42 sq. m. Three stage advanced filtration system that removes pollutants with more than 99 percent efficiency 3-Dimensional air flow design for optimized circulation 100% ozone free – does not emit any harmful gases as a byproduct of filtration Premium finish and ultra-durable polycarbonate body Warranty : 12 Months