We have the following 3 types of face masks for sale.
1) Face Mask-1 (50pcs x 40boxes/ctn) SCGM (BFE 99%)
2) Face Mask-5 (50pcs x 40boxes/ctn) KPM (No BFE Rating)
3) Face Mask-6 (50pcs x 40boxes/ctn) Benxon (No BFE Rating)
There is a BFE Certificate report from the independent lab for Face Mask-1
The date of Manufacture is indicated on the base of the box. Expiry period are clearly indicated.