Disposable dust mask/bi-fold/with exhaust valve/10 pieces/1 bag/DS2 DD02V-S2-2K 1 bag (10 pieces)

Lambda-shaped shape-retaining tape firmly maintains the three-dimensional structure. The length of the drawstring can be adjusted using the adjuster. The cushion on the inside of the nose area allows the mask to be worn without any gaps between it and the nose. The nose pad on the outside of the mask allows you to adjust the mask to fit your nose shape. Equipped with an exhaust valve to reduce discomfort and breathlessness. Category: DS2 Quantity: 1 bag (10 pieces) Particle collection efficiency: 95% or more Inhalation resistance: 55 Pa or less Exhaust resistance: 45 Pa or less Usage time limit: 18 hours Material: Mask/PP (polypropylene), drawstring/polyester isoprene, nose pad/PE (polyethylene) Exhaust valve: Yes National Examination Passed: No. TM656