The earphones are designed to not hurt your ears even when worn for long periods of time, and the gathers and three rubber strips fit gently around your ears.
This is a high-performance mask that meets the Japanese Industrial Standard [JIS T 9001] and uses a filter that meets the highest Class III standard for medical masks. Specifications: Normal
Quantity: 1 box (30 sheets)
Material: Body and filter: Polypropylene, Ear hooks: Polyurethane and polypropylene, Nosepiece: Polyethylene
Size (mm): Approx. 90 x 175
Particle filtering efficiency (PFE): 99%
Bacterial Feedthrough Efficiency (BFE): 99%
Viral droplet capture efficiency (VFE): 99%
