As 4277 but also provides protection against Ammonia up to 1000ppm.
3M4251 Maintenance Free Half Mask
Suitable for many applications including conventional paints, vehicle manufacture, chemical manufacture and handling, Paint and varnish manufacture etc. Provides protection against organic vapours up to 10 times WEL or 1000ppm, whichever is lower and 10 times WEL for particulates.
EN4052002 / FFA1 P2D
Price per mask £12.55
3M4255 Maintenance Free Half Mask
As 4251 but provides protection against organic vapours up to 10 times WEL or 5000ppm, whichever is lower and 20 times WEL for particulates.
EN4052002 / FFA2 P3D
Price per mask £15.20
3M4277 Maintenance Free Half Mask
As 4251 but provides protection against inorganic and acid gases up to 10 times WEL or 1000ppm, whichever is lower and 10 times WEL for particulates.
Typical applications include electrolytic processes, acid cleaning, metal pickling and metal etching.
FFA BE 1P3D
Price per mask £16.59
3M4279 Maintenance Free Half Mask
As 4251 but provides protection against Ammonia up to 10 times WEL or 1000ppm, whichever is lower and 20 times WEL for particulates.
FFA BEK P3D
Price per mask £18.55
All prices subject to VAT
For more information please feel free to contact us