3M™ 4255 Maintenance Free Half Mask Respirators
- 3M 4279, The 3M™ 4279 Maintenance Free Half Mask Respirator FFABEK1P3 R D is a ready-to-use, maintenance-free half mask designed for effective & comfortable protection against a combination of organic & inorganic vapours, acid gas, ammonia & particulate hazards found throughout industry. 3M™ 4279 Maintenance Free Half Mask Respirator FFABEK1P3 R D