3M Cool Flow valve effectively reduces expiratory resistance, heat and moisture accumulation to improve comfort.
Perfect for non-oily particulate matter, such as PM2.5, smog, haze, dust. The filtration efficiency is more than 95%.
Ergonomic design, fit your face perfectly. Soft inner material, comfortable to wear.
Adjustable nose clip and two elastic fastening head straps create a secure seal for maximum protection.
25 pcs individual packing, clean and sanitary, easy and convenient to use.
Brand Name: 3M
Model Number: 9001V
Product Name: Particulate Respirator
Certification Standard: KN90
Breathing Valve: Yes
Quantity: 25 Pcs
Package Size: 28*15*13cm / 11.02*5.91*5.12in
Package Weight: 550g / 19.40oz
25 * Pieces of Particulate Respirator