Strong st-1090 dust half mask (silicone) set (including kn95 filter cotton)

St-1090 half mask can be used repeatedly, only the filter box or filter element needs to be replaced regularly according to the work needs;
silicone coating process, one-piece molding, no air leakage, small and light design, wearing neck pressure free;
head fixed, avoid mask displacement. The adjustment of headwear can be completed by one action, and it is fast to wear.
equipped with exhalation valve and inspiratory valve, it can effectively reduce the respiratory resistance.
STC st-1090 dust-proof half mask (silicone) suit: including kn95 filter cotton.
colour: black