3M 3000 half mask exhalation valve 383

Brand: 3M
Model: 3000 half-mask exhalation valve 383
Material: Rubber (extract rubber tree, rubber grass and other plants latex, processed into a material that is elastic, insulating,
impermeable to water and air. High-elastic polymer compound)
Style: with 3000 series mask
combination: 3100 mask, 3200 mask
details:
3000 series protective mask can replace the mask accessories.
Specification: 10 pieces/box