N99 Mask£5.70 Disposable N99 FFP3 Masks. Particulate respirator FFP3 dust masks. 5 layer Anti-Infection and Dust Protection UK version of KN95 N99 Mask quantity Add to basket Related products Disposable Type 1 Face Mask, 3 ply, box 50 £5.99 Add to basket FFP3 Face Mask £6.49 Add to basket Disposable Type IIR Certified 3 ply Fluid Resistant Protective Face Masks, EN14683, pack 50 £7.50 Add to basket Disposable Type 1 Face Mask, 3 ply – 25 Boxs – 1250 Masks (£4.95 per Box of 50) £123.75 Add to basket