Two part post, I bought the 3M KF94 on Gmarket. They were recommended to me yesterday. However, I'm kinda worried about potential counterfits/fakes? The others pictured I plan to buy from kollecte.
Khẩu Trang 3M KF94 9013 3D Mask Kháng Khuẩn- Hàng Chính Hãng | HAPA.VN
I bought the 3m kf94, unsure if it has leak : r/Masks4All