The 3M 4279 brings several gas categories and particulate filtration together in one maintenance-free half mask. Its integrated ABEK1 filters address selected organic vapours with a boiling point above 65°C, inorganic gases, acid gases and ammonia, while the particulate element is rated P3. The low-profile arrangement helps keep the view of the work area clear.
Key features and specifications
- Model: 3M 4279, 4000 Series.
- Classification: FFABEK1P3 R D to EN 405:2001+A1:2009.
- Gas/vapour and particulate filters are built into the mask.
- Soft, textured seal and adjustable head cradle and neck straps.
- Central exhalation valve helps reduce heat and moisture build-up.
- Fixed filters are not changed separately; replace the complete respirator when required.
Match the mask to the specific chemicals and exposure levels: ABEK1 does not cover every gas. Occupational users require face fit testing and a seal check at each use. Follow the supplied instructions for care and replacement; R-marked reuse remains subject to condition and service-life limits.
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