– Bacteria & Particulate Filtering Efficiency > 95% – With a Self- Priming Filter and Anti- Particulate Respirator – Valve less Particle Filtering – A Disposable Item – Elastic String Ear Loop – Front Face Protection – Wind & Cold Protection – Sanitary Standard: GB15979-2002 – Standard Size for All – 1 Quantity = 1 Box of 50 x Face Masks
