3M™ Reusable Half Mask 4000+ Series

If you are looking for a convenient, ready-to-use half mask that offers reliable protection, the 3M™ 4000+ Series is a good option. This mask has integrated filters and a new improved exhalation valve that reduces exhalation resistance. The close-fitting, silicone-free, textured face seal is soft and hypoallergenic. Moreover, the mask comes in a resealable bag for hygienic storage and transport. Whether you work in a dusty environment or near fumes, the maintenance-free 3M™ 4000+ Series half mask can help you stay protected.

Features

• Effective and comfortable protection against various hazards from vapours and dusts.
• New improved exhalation valve reduces exhalation resistance for easier breathing
• Lightweight
• Integrated filters
• Adjustable head harness and easy to attach neck straps
• Supplied in a resealable bag for hygienic storage and transport

• 4251+ (FFA1P2 R D) protects against organic vapours, with a boiling point greater than 65 °C, up to 10 x Workplace Exposure Limit (WEL) or 1000 ppm (whichever is lower), and 10 x WEL for particulates.
  
• 4255+ (FFA2P3 R D) protects against organic vapours with a boiling point greater than 65 °C, up to 10 x Workplace Exposure Limit (WEL) or 5000 ppm (whichever is lower), and 20 x WEL for particulates.
• 4277+ (FFABE1P3 R D) protects against organic vapours with a boiling point greater than 65 °C, inorganic vapours, and acid gases up to 10 x Workplace Exposure Limit (WEL) or 1000 ppm (whichever is lower), and 20 x WEL for particulates.
• 4279+ (FFABEK1P3 R D) protects against organic vapours with a boiling point greater than 65 °C, inorganic and acid gases and ammonia up to 10 x Workplace Exposure Limit (WEL) or 1000 ppm (whichever is lower), and 20 x WEL for particulates.