Disposable dust mask, hook type, high rack, 1 box (10 pieces) 350T 1 box (10 pieces)

For general dusty work. Foldable, shape-retaining structure. The straps can be adjusted while wearing the mask. Comes with FF lip for excellent moisture absorption. Type of closure: hook type Particle collection efficiency: 95.0% or more (average 98.4%) Inhalation resistance: 50 Pa or less (average 35 Pa) Exhaust resistance: 50 Pa or less (average 35 Pa) Mass: 12.1g or less (average 9.1g) Usage time limit: 13 hours Quantity: 10 pieces Product code: 144320 National certification passed: No. TM339, No. TM609 Category: DS2