- 3 Layers Surgical Medical Mask
- Product executive standard: YY0469-2011
- Dimensions: 17.5cm x 9.5cm
- Moderate Fluid Resistance: 120mmHg
- BFE > 99.4%
- Total Bacterial Colonies: 0
- Synthetic blood penetration: 120mmHg
- Differential Pressure: <5.0mm H2O 16 CFR 1610
- Flame Spread: Class 1
- Testing Result: Level 2
- Quantity per box: 50 pcs