DOBU MASK Model 500 Disposable Filtering Facepiece Respirators are approved by NIOSH and certified as N95 Respirators. The mask provides safety from airborne particles and spatter while maintaining a comfortable fit with adjustable straps. This disposable mask is intended to reduce user exposure to certain airborne particles, aerosols free of oil. This model provides all the comfort with a silicone bracket, advanced filter media, adjustable head straps and cotton edge covering. Subparts: five filter layers, silicone inner support frame, cotton edge covering, and adjustable head straps. For proper respirator use, wearer must be trained and comply with the instructions on the box. The product has been made in Korea. Manufacturer: DOBU LIFE TECH Co., Ltd. - "DOBU MASK is always with you where you breathe" -