Concentric Health Alliance KN95 Masks Adult CHA Branded WHITE - 20/BX, 2000/CS

Folded KN95 (GB2626) Respirator Mask using ultrasonic welding . These masks have tested to show it can effectively block air particles, droplets, secretions and more. The filtration efficiency of bacterial particles can reach at least 95%.  

• Low respiratory resistance, free of odor and stimulation.
• No fiberglass, no rubber.
• PFE (filtration efficiency for non-oily particles) ≥30%.
• BFE (bacterial filtration efficiency) ≥95%.
• Ultrasonic welding process, comfortable wearing experience.
• Package: 20pc/box, 100boxes/case
• Nose clip for best fitting
• Loops behind the ears

 Size: 6.3 in x 4.1 in (16 x 10.5cm)