SINGLE USE DISPOSABLE SURGICAL MASKS FDA Authorized ASTM Level 3 Surgical Mask Flat folding design - 4 Layer covering which features elastic ear loop straps and cushioning nose foam with an adjustable metal nosepiece for comfort. Lightweight at less than 5g. As of April 29, 2021, the PQM LibertyAIR has been authroized by the FDA under an EUA, for use in healthcare settings by Healthcare Personnel. This is one of the highest standards in the world, with only a small amount American manufacturers having achieved this status.
