Maintenance-Free Reusable Half Mask 3M™ 4255+ with FFA2P3 R D Filters

Designed to meet the challenges of modern work environments, the 3M™4255+ Half Mask is a masterpiece of respiratory protection engineering. 3M 's latest innovation combines safety, comfort and simplicity to give you an unparalleled breathing experience. One of the most notable features of this half mask is its new optimized valve, which reduces resistance during exhalation. This improvement provides better respiratory quality, especially in hot and humid working conditions where reducing heat build-up is crucial.