Mask N95 KN95 Brand 3M type 9501+ (Respirator - Earloop - Non valve) Purchase of 50 Pcs or multiples of it get the Original Box. The advantages of this mask product are: 1. Knitted Rubber Earloop Strap, strong, tight and practical 2. Nose clip follows the shape of the nose that closes perfectly, 3. Foldable, very easy to fold and store 4. Factory Original Individual Packaging The 3M 9501+ respirator is compliant with STANDARDS N95, KN95, FFP2 and P2 effectively filtering out 95% of particles, We use the word N95 in the product title for easy search. In addition, N95 and KN95 have the SAME FILTRATION STANDARD, namely 95%, with a note that the KN95 standard respirator manufacturer comes from a brand / brand that has guaranteed CERTIFICATION VALIDITY such as 3M and Honeywell, not just putting the KN95 label or writing on the mask or packaging. The following is a link to 3M and the BNPB PPE Guide which states that STANDARDS N95, KN95, FFP2, P2 are EQUIVALENT/ EQUAL. BNPB: On October 20, 2020, the FDA through EUA rules has also approved the use of this mask as an alternative to the standard N95 mask.