Surgical Mask (Level 1, Level 2 and Level 3) Level 1 / Level 2/ Level 3 Price per unit: $0.25 / $0.50 / $0.65 Min. Quantity required to purchase: 50 Request Now Description: PREMIUM-Grade Safety: 3 layers of premium-grade materials to filter and block splashes, smog, pollutants and more. Specification: