The AtmosAir Singapore division of ProMedUSA provides a solution for poor indoor air quality (IAQ) using advanced and proprietary Bi-Polar Ionisation Technology. Bi-Polar ionisers remove VOC's, Germs, Bacteria, Viruses, Mould, Mildew, Smoke, Haze and Particles (including PM0.5 and PM2.5) from the indoor air you breathe. The result is simply pure, fresh, crisp and visibly cleaner "Mountain fresh" smelling air.