YAMAMOTO Disposable Dust Mask DS2 with Exhaust Valve, Headband Type 4300-A 10 Pieces

Catalog number: 4300-A Features: ● Comes with an exhaust valve for easy breathing. ● Nose seal prevents stuffiness and leakage. ● Headband length can be freely adjusted. Applications: ● Welding, polishing, grinding, crushing, and other powder handling work. Specifications: ● Length (mm): 129 ● Width (mm): 136 ● Particle collection efficiency (%): 95 or more ● Usage limit: 12 hours ● Intake resistance (Pa): 70 or less ● Exhaust resistance (Pa): 70 or less ● National certification DS2 approved product (No. TM218) ● Head-mounted type Material/Finish: ● Non-woven fabric Caution: ● Do not use in places with harmful gases. ● Do not use in places where there is a risk of oxygen concentration being less than 18%. ● If the mask is exposed to spatter, sparks from a grinder, etc., use a welding mask or a disaster prevention mask in combination.