The company has introduced three HEPA air purifiers. The QuietFlo™ 115, QuietFlo 145, and the QuietFlo 170 are equipped to remove allergens as small as 0.3 microns and are suitable for a variety of room sizes, the manufacturer says. According to the manufacturer, the air purifiers’ filtration systems exhaust clean, purified air that passes through a carbon pre-filter and a HEPA filter to capture 99.97% of all airborne particles.