The Beeswift Type 11R 3-Ply mask is for use in all medical, hospital and working environments. With dual non-woven inner and outer layers, complete with non woven filter for combined 3 layered construction. Complete with ear loop fastenings. Class 1 Medical Device, meeting the essential requirements of the MDD. Tested and complaint to BS EN 14683 : 2019, Type IIR, Filtration > 98%, with added fluid resistance. Individually packed for added protection. Supplied in a pack of 50.