YAMAMOTO Disposable Dust Mask, Head-Hanging Type, 7700V, 20 Pieces

Catalogue number: 7700V Features: ● Foldable for easy storage and portability. ● Comes with an exhaust valve to reduce stuffiness caused by breathing. Applications: ● For dusty work. Specifications: ● Length (mm): 145 ● Width (mm): 95 ● Particle collection efficiency (%): 95 or more ● Usage limit: 18 hours ● Inhalation resistance (Pa): 70 or less ● Exhaust resistance (Pa): 70 or less ● Particle collection efficiency 95% or more ● National certification DS2 approved product (No. TM642) ● Head-mounted type ● NIOSH N95 certification approved product ● Belt length adjustable Material/Finish: ● Non-woven fabric