With one way exhalation vent valve for breathing comfort. adjustable elastic head bands, stitched outside filter area to prevent leakage. Filtering efficiency above 94%.Specification :

– colour: white

– weight: below 20 gms.

– filtering efficiency :more than 95%

Use for :

Solids particles & non oil based liquids particles from sprays – tested for mean particle size of 0. 6 microns.