| Specification | Description |
| Material | Non-woven fabric (usually polypropylene) |
| Layers | 3 layers (or more for certain types) |
| Size | Standard adult size (typically 17.5 cm x 9.5 cm) |
| Filtration Efficiency | ≥ 95% BFE (Bacterial Filtration Efficiency) |
| Fluid Resistance | ≥ 80 mmHg (minimum) |
| Breathability | < 5 mm H2O/cm² |
| Elastic Band | Ear loop or head tie (elastic) |
| Nose Clip | Adjustable metal or plastic nose wire |
| Color | Commonly blue or green, but may vary |
| Packaging | Individually wrapped or in bulk packs |
| Intended Use | Medical, dental, and general public settings |
