A newly enhanced valve assembly helps to reduce exhalation breathing resistance for improved breathing comfort. Lightweight, well-balanced design with integrated filters mean it’s ready to use and maintenance free.
 
Options: 
 
3M™ 4251+ (FFA1P2 R D) provides protection against organic vapours (good warning properties and b.pt. > 65°C), up to 10x Workplace Exposure Limit (WEL) or 1000 parts per million (ppm), whichever is lower, and 10x WEL for particulates.
 
3M™ 4255+ (FFA2P3 R D) provides protection against organic vapours (good warning properties and b.pt. > 65°C), up to 10x WEL or 5000 ppm, whichever is lower and 20 x WEL for particulates.