【Function 】5n11 cotton filter Resist Non-Oily Particles, can be used with 5p71 6001-6006 cartridges , Fits 6200/7502/6800/FF402 Respirator
【Replacement time】 When the filter cotton is damaged, dirty, smelly please leave the contaminated area in time and replace the filter cotton in time，Recommended to replace the cotton after 8 hour of normal use of cotton.
【Warm Attention】filter cannot produce oxygen, and do not use it when the oxygen concentration is lower than 19.5%， It is recommended to use it in the environment containing some non oil-based particles. The effective filtration ≥ 95%.
