3Mª 5000 Series Large Disposable Half Mask Type Air Purifying Respirator is made from soft, lightweight thermoplastic elastomer offering good durability. This respirator is pre-assembled with permanently attached cartridges and requires no maintenance. Respiration finds its applications in a variety of workplace such as petrochemical, chemical manufacturing, construction, transportation and electronics. Respirator renders protection against certain organic vapors at concentrations up to 10 times the permissible exposure limit.