3M™ Maintenance Free Half Mask 4277

Features & Benefits

  • Effective and comfortable protection against a range of vapour and particulate hazards.
  • A newly enhanced valve assembly helps to reduce exhalation breathing resistance for improved breathing comfort.
  • Lightweight, well-balanced design.
  • Integrated cartridge and filters mean it’s ready to use and maintenance free.
  • Soft, close-fitting face seal made with textured, non-allergenic material.
  • Adjustable head cradle and easy to fasten neck straps.
  • Centrally-positioned exhalation valve helps reduce heat and moisture build-up in hot and humid conditions.

Environments

  • Hazardous Industrial Environments

Specifications

Face Mask Thermoplastic elastomer
Head Harness Polypropylene
Head Strap Polypropylene/cotton
Inhalation Valve Polyisoprene
Exhalation Valve Silicone Rubber
Gas and Vapour Filter Body Activated Carbon
Particulate Filter Element Polypropylene
EN Standards EN 405:2001+A1:2009 FFABE1P3 R D

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