3M1818 Mask Tie On Surgical 50/bx 12Bx/cs 3M
- 3M tie-on surgical mask. Pleated, fluid resistant mask that ties behind the head. The mask has >99% Bacterial Filtration Efficiency (BFE){1} and >95% 0.1 micron filtration efficiency{2}. {1} - Bacterial Filtration Efficiency(BFE) determined by the modified Greene and Vesley test method. {2} - Partical Challenge Study - measures filter efficency only against mass median aerodyanmic diameter particle. It is fluid resistant to reduce potential exposure of wearer to blood and body fluids. The lightweight construction provides for maximum comfort and breathability.