Sell Disposable Protective Face Mask 3 Ply Masks 50pcs best price

50pcs/box ,3ply Masks that passed the flame test shows that the middle layer is a filter not just an ordinary paperLeak-proof Mask should protect you as well as others from droplets when sneezing and coughingBlow test Ensures that the mask provides proper air flow filtration, easy to breath through and comfortable. Anti-bacterial.Smelly Proof Dust ProofSun ProofSmog Proof PM 2.5Eco-friendly SMS filter materials Medical high-class PP non-woven fabric. PRODUCT DESCRIPTION: ✔ BFE ≥ 99% Bacterial Filtration Efficiency ≥99%. ✔ PFE ≥ 99% Particular Filtration Efficiency ≥99%. ✔ Effectively isolating bacteria, pollen, dust and haze. ✔ Differential pressure ≤29.4 pa/m3. Made of high quality non-woven fabric and filter paper which brings soft and comfortable perfect fitting.