

MicroGard ® filter is a disposable barrier type Filter intended to protect both patient and equipment, by preventing the transmission of pathogens in droplets and aerosolised particles between the patient and the spirometer. Independent studies with bacterial and viral aerosols Demonstrate 99+% filtration
The MicroGard ® filter incorporates the highest efficiency filtration Medium available with an exceptionally low resistance to air flow. Filter resistance to air flow is less than one-half of published recommendations for pulmonary function testing devices