Product Description:

• Made of medical-grade melt-blown filter fabric
• BFE (bacterial filtration efficiency) ‰¥98% and PFE (particle filtration efficiency) ‰¥96%, that is used to block live bacteria (viable particles) from 1 to 5 microns and microparticles (nonviable particles) from 0.1 microns to 1 micron.
• Extra protection against smog, bacteria, droplet & pollen
• Additional 1 layer of non-woven fabric on the front for better protection.

Product usage :

• Cover your mouth, nose, and chin with the colored side facing outwards
• Pinch the metal edge of the mask so that it presses gently on your nose bridge.
• Remove a used mask holding only the ear loops.