Hígia-1000 OID is an autonomous and portable unit, designed to easily convert a standard nursery room into a negative pressure room. Equipped with two HEPA filters of 99,98% and 99,998% efficiency for particles of 0,3 microns (3/10000 millimetres) and UV germicidal lamps, its construction meets the highest standard of air filtration such as demanded by Centres for Disease Control and Prevention, World Health Organization.