Box contains: 20 x 7 Day filters = 140 Days supply Each filter has a Bacterial Filtration Efficiency (BFE) ≥95%. All breathe happy masks are fully certified products (CE / FDA / MHRA / SGS / TUV) to EN14683:2019 standards. Intended Use: general wear e.g. shopping / walking around public spaces and low-density interaction. Buy Everyday 95 Masks from our store.