1.This is the same high performance respirator as our no. N95-510W, but with an exhalation valve to make it easier to breathe through in hot or humid work conditions.
2.Our unique exhalation valve offers maximum inhalation protection while providing minimal exhalation resistance.
3.Special featured flame resistance which is suitable for users in the welding environment.N95 Mask With Breather Valve
website:http://www.lkzaiy.com/n95-mask/n95-mask-with-breather-valve/
2.Our unique exhalation valve offers maximum inhalation protection while providing minimal exhalation resistance.
3.Special featured flame resistance which is suitable for users in the welding environment.N95 Mask With Breather Valve
website:http://www.lkzaiy.com/n95-mask/n95-mask-with-breather-valve/