3M Disposable Dustproof Mask with Exhaust Valve

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<8812DS1> By adoption of cool flow valve, discharge heat by expiration and reduce uncomfortable feeling. <8205DS2> Nose clip reduces leak from around nose. Exhaust valve not supplied. <8822EDS2> Shortsplit curtain shaped exhaust valve is supplied and reduce to get humid provide wasy respiration. <9322JDS2> Three dimensional surfaces provide comfortable fit feeling. <8511DS2> M type hose clip and dogear shape adoption provide soft fit feeling. <9926DS2> Supplied with activated carbon against stimulated odor. <8577DL2> Performs high particle assistant collection efficiency also oil mist, and activated carbon filter removes organic smell and bad smell. <8233DS3> it is highly efficient protectionagainstdust mask equivalent to HEPA filter. <8293DL3> Shortsplit curtain shaped exhaust valve depresses exhaust resistance, enables to discharge smoothly hot air of respiratory or humidity, and reduce uncomfortable feeling.