Flamingo 4-Ply Medical Face Mask

BFE ≥98% PFE ≥96% (Type IIR)
Specification : 17.5cm x 9.5cm
The product is made of medical grade melt-blown filter fabric for better breathability, comfort and reduced irritation. With BFE (bacterial filtration efficiency) 98% and PFE (particle filtration efficiency) 96%, the product is able to block live bacteria (viable particles (nonviable particles) from 0.1 micron to 1 micron. It has long-time wear, whilst bringing a higher level of protection with four layers of high-quality fabric, suitable for daily use.