Sell Made in Korea Air Queen Nano-fiber filter mask (10,30,50P) best price

(My company only sells original products. Benefit Buy 10pcs + Advanced Mask 1p Buy 20pcs +Advanced Mask 3p Buy 30pcs +Advanced Mask 4p Buy 100pcs and get 10p of Advanced Mask + 10ea of Mask Strap free shipping Customers who re-purchase, please send a message after ordering. There will be an additional free gift.) It's made in Korea. Many people used it and left a good rating.You can trust and buy it. The date marked on the back of the mask is the date of manufacture.It's not the expiration date.This mask is a genuine product certified by Europe and the United States.The expiration date of the mask is usually three years from the date of manufacture.However, this mask is well-sealed in individual packaging, so you can use it longer if you don't pop the wrapper.