LARGE SUPPLY OF KN95 IN THE USA WAREHOUSE = FAST SHIPPING
BYD KN95 is an industrial manufacturing standard meaning our mask are effective against 95 percent of particles with a mass median diameter of 0.3 micrometers or larger. Properly worn mask can protect very well against PM10, PM2.5, and smaller particles. BFE>95% (Bacterial filtration efficiency)
The BYD KN95 Face Mask can help reduce exposure to biological substances, such as bacteria and viruses. Please note however that wearing a mask cannot eliminate the risk of infection as it partly depends on the level of filtration and proper fit.
Pollen - The BYD KN95 Face Mask can protect you from pollen. Our filter has an efficiency of above 95% at 0.3 pm particle size, whereas normal pollen particles are about 10 - 1000 pm in size.
Animal Allergens - The BYD KN95 Face Mask can protect you from animal allergens. Efficiency of above 95% at 0,3 pm particle size, animal allergen particles are about 5 - 10 pm in size.
The covers are shipped from the USA. We estimate it takes 1-3 Business days depending on where you're at. We are not a drop shipping company so we hold inventory both on the West and East Coasts and won't take weeks like other distributors.