disposable dust mask 3M - 8233

Production info:

• It boasts high safety with a collection efficiency of 99.9%.
• The adjustable tightening strap enhances the fit to the face, and the soft and durable face seal reduces leakage, allowing you to work safely and comfortably.
• Comes with a unique noren type exhaust valve that prevents stuffiness.

• Pharmaceutical research and manufacturing, various laboratories.

　　　Vertical (mm): 120
Width (mm): 150
Particle collection efficiency (%): 99.9 or more
　　　Use limit time: 38 hours
　　　Intake resistance (Pa): 150 or less

　　　National test DS3 passed product (No. TM59)
Head hanging type
Average measured value: Particle repair efficiency: 99.99%, Intake resistance: 66Pa, Exhaust resistance: 34Pa