* Bacterial Filtration Efficiency (B.F.E.) > 99%
* Particle Filtration Efficiency (P.F.E.) > 99%
Product features: Use brand-new material medical non-woven fabric, melt blown fabric as raw material by ultrasonic heating and spot welding. The ear-hook nose clip design makes the face more fit and suitable for various face shapes.
* Breathable, dustproof, filter bacteria, non-particle ultrasonic sealing edge, comfortable to wear
* Can better block dust and microorganisms
* Wearing for a long time is not tight, no allergic reaction
* Use smooth fabric to reduce fiber shedding, no washing, no maintenance, convenient and practical, safer and sanitary