FT-IWKN90 Face Mask Prevent droplet transmission to Protect yourself and prevent infecting others COVID-19 and the necessity of masks Speed of air flow : Cough v=10 m/s Sneeze v=50 m/s
Small Droplets <10µ
Naso-pharynx
Large Droplets >100µ
Cough
Sneeze
Exhala on
Cough/Sneeze Droplets contaminated with virus
1,5m 2m
6m
pharynx 4,7 - 7µ throat - keel primair bronchus 3,3-4,7µ bronchus 2,1-3,3 µ terminal bronchus 1,1-2,1 µ alveolae 0,6-1,1µ
larger than 10µ stuck in upper respiratory track Smaller than 10µ „aerosol“ reach down to lower lung
Effec ve filtra on for The BFE is the effienciency of a surgical mask in retaining aerosol drops containing bacteria. It indicates how many par cles are retained by the surgical mask. This is directly related to the amount of bacteria released into the surrounding air through the mask. The higher the BFE percentage, the be er the pa ent is protected against par cles from the medical staff. This mask has a 3,0 micron Bacteria filtra on efficiency Standard of BFE ≥ 98%. And a 0,1 sub micron Par culate filtra on efficiency = PFE ≥ 90% --> Hence KN90 or FPP1
lntended Use Ÿ
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FT-IWKN90 mask is mainly used in non-surgical environments, where there is no bodily fluids or blood splashes, for health care in ordinary medical environments, to protect pa ent and accompanying person, also can be used for people who have daily protec on needs, for protec ng from viruses, dust, car exhaust, second-hand smoke and other par cles like an inhala on allergens such as pollen. The components are a mask body, a strap and the nose clip. The product is Non-sterile. The Product sizes are : XS/S/M/L This product is washable but use temperatures below 60°C Do not disinfect by detergent, ultraviolet rays, microwave oven, steam, alcohol or other disinfectant etc.
Can be blocked by surgical mask Can only be blocked by efficient KN95 mask