The FELIX™100 is NIOSH-approved and was designed to meet the needs of healthcare workers fighting COVID-19. The unit is the first PAPR ever to be approved by NIOSH with a PAPR100-N classification. The PAPR100-N class is one of two next-generation PAPR classes recently established by NIOSH tailored to the particular needs of healthcare workers and it features new safety requirements such as low air flow and battery alarms. The device is manufactured and assembled in the USA.