50PCS !! 4 PLY Shirudo Carbonized Facemask
[2 x 50PCS !!] 4 PLY Shirudo Carbonized Facemask
· Composed of PP non-woven cloth on top & bottom layer. Middle layers are active carbon filtration material and melt-blown non-woven cloth
· Customized design to your specification
· High Bacterial & Particle Filtration Efficiency (filtrate bacteria, dust, micro-granules, & organic poisonous gases efficiency)
· Manufactured and Packed in Cleanroom environment
· Superior for usage in light-contaminated factories, chemical plant, paint, medical treatment, electric welding, experiment, etc.