Description High Filtration TIE BACK 3 ply Mask  – Level 2:    A 3 ply mask has three layers: 1. the outside layer: that repels water, blood and body fluids 2. a quality middle filter layer: this filters the air passing through it. The certification process checks the quality of the filter 3. the inner layer (against your face): it can act as a barrier for water, sweat and spit.   Meets or exceeds specification: Low Fluid Resistance: 120 mmHg Filtration Efficiency: BFE ≥ 95% @ 0.1 micron Breathability – Delta P: < 5.0 mm H2O/cm2   YANNABABY Surgical Mask is suitable for the practitioner and clinician during surgical procedures and for the dental and allied health professional who may have exposure to body and body fluids as well as risk of potential infection. In 2020 the YANNABABY Surgical Mask is suitable for the public to wear to reduce the risk of  potential infection and fluid contact with those in close proximity.