Extremely lightweight and comfortable.
The 3M 9922 filtering face ensures effective protection of the streets
respiratory solid particles and non-volatile liquid (TLV greater than 0.1
mg / m³) and ozone. It also has a layer of active carbon that
capable of retaining organic vapors present in low concentrations
(Below the TLV of the substance).
The shell shape, the two rubber bands, the nosepiece in
aluminum with sealing foam provide excellent adaptability to all
types of faces
The characteristics of this respirator comprise the valve of
patented exhalation, centrally located, to avoid the accumulation of
heat and moisture, making it easier and fresh breath