mask safety mask 3M#8710 small dust uses the gauze mask. Mask N95 Features:detailed description of Gauze mask of gas defenseBenefits:3M#8710 small dust uses the gauze8710 very small dust through strain very small dust, suit building , stone ore , textile , polish, pharmacy disintegrate project , glass , five metals casting , aluminium trade with gauze mask, wait for trade useLength=53mmWidth= ...