Disposable dust mask 1 set (5 pieces) NO.1700 1 set (5 pieces)

The face contact surface has a three-dimensional curve that follows the contours of the face, providing an excellent fit. For general dusty work and pesticide spraying. This mask uses an electrostatic filter that efficiently captures even fine dust particles. Comes with a nose sponge. This is a hygienic antibacterial treated filter. Nationally certified product, classification DS1. Particle collection efficiency (NaCI): 80.0% or more Exhaust resistance: 45 Pa or less Inhalation resistance: 45 Pa or less Usage time limit: 9 hours Weight: 12g or less 5 pieces Material 1: Facepiece: Polyester Material 2: Tightening string: Blue woven rubber Material 3: Strap fastener: Synthetic resin Caution 1: *Do not use in places with extremely high humidity, where toxic gases are generated, or in environments where the oxygen concentration is less than 18%. Caution 2: *Never use in ear-hook style. Caution 3: *Prohibited by law.