New Precept Fluidgard 160 Anti-Fog Surgical Mask with Anti-Glare Shield. Blue Diamond color, 25 Masks per box, Long ties. Level 3 protection rating with Anti- Fog shield for enhanced clarity. Precept product # 15331. Masks are new in original boxes. Integrated layers work together to maximize breathability. Softer longer ties (17") promote secure comfortable fit. ASTM Level 3 Protection Greater than 99.8% PFE. Not made with natural rubber latex and $20 per box. $70 for a case of 4 boxes with 25 masks per box. The eye shields are great for masonry construction and other similar safety glass applications.