1This filter cotton is used in environments containing certain oils and non-oil-based particles. 2The filtration efficiency of this filter cotton for oil and non-oil-based particles is 99.7% or higher. 3Filter cotton is suitable for 6000, 7000 series full-face respirators and for FF-400 series dust masks. 4N95 filter grade, suitable for welding, grinding and polishing, etc. 5Made of high quality cotton material, comfortable, soft and lightweight.
