Manufacturer # 1860 Brand 3Mâ¢ï¸ Manufacturer Country of Origin Application 3M USA Particulate Respirator / Surgical Mask Color Blue Delta Differential Pressure Pass mm H2O/cm2 Fastening Type Fluid Resistance Elastic Strap 160 mmHg Material Polypropylene / Polyester Particle Filtration Efficiency PFE 95% â Protection Level Not Rated Size Sterility One Size Fits Most Non-Sterile Style Cup Type Medical N95 User Adult