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)