Max.Medsurge Omnitex Individually Wrapped High Filtration FFP2 White Face Mask (Box of 20) Russian Wedding Band No Stone Interlocking Ladies Ring The grade is AAA

The grade is AAA

if you look closely

however it costs more per gramme

Anti-Microbial

Max.Medsurge Omnitex Individually Wrapped High Filtration FFP2 White Face Mask (Box of 20) Russian Wedding Band No Stone Interlocking Ladies Ring The grade is AAAOmnitex Premium White FFP2 Face Masks Meets FFP2 European Regulation Standards EN149: 2001+A1: 2009, CE Certified Box Contains 20 Masks (Individually Wrapped) and 5 Mask Extenders for a more comfortable fit High Quality, Latex Free, Hypoallergenic, Fluid Resistant mask with Ear Loops and mouldable nose bridge High Level Filtration of at least 98. 37% (requirement is at least 94%). Comfortable Breathing Inhalation Resistance is 1. 9 mbar (requirement