*Please note when purchasing that these are NOT Type IIR masks. Whilst their performance has been tested to and is comparable to Type IIR Masks, they should not be used in place of tested IIR Masks or in a medical setting when dealing with COVID patients or suspected COVID. For Type IIR Masks, please see our M4200 Maia Masks.
Commercially produced to ISO 9001 EN 149 8.9.3 Inhalation Resistance, minimum performance requirements bespoke tested ISO 22609 Liquid penetration resistance, bespoke tested, comparable to Type IIR masks.