Catalog number: 8812J DS1 Features: ● The curtain-type exhaust valve expels hot air and stuffiness from exhalation. ● This dust mask is equipped with a 3M [TM] patented cool flow valve (exhaust valve). ● Pack of 10. Applications: ● For general dusty work, polishing work, etc. Specifications: ●Height (mm): 125 ●Width (mm): 135 ●Particle collection efficiency (%): 80 or more ●Limited use time: 12 hours ●Intake resistance (Pa): 60 or less ●Nationally certified DS1 (No. TM353) ●Head-mounted type ●Average measured values: Particle collection efficiency: 98.4%, Intake resistance: 32 Pa, Exhaust resistance: 25 Pa ●Specified protection factor 10 Materials/Finish: ●Filter: Polypropylene ●Nose pad: Aluminum ●Staple: Iron ●Tightening string: Polyisoprene Caution: ●This product is not intended for general consumers, so labels and instruction manuals are not written or included for general consumers.
