HALYARD* ASTM level 1 earloop masks meet all five ASTM standards for Level 1 protection
| Sterile | No |
| Level of Protection | Level 1 |
| Name | HALYARD* Level 1 Procedure Mask with Longer Earloops |
| Type | Procedure |
| Style | Pleat |
| Ported | No |
| Fluid Resistant | Yes |
| Fluid Protection | Low |
| ASTM F2100-11 | Yes |
| ASTM Level of Protection | 1 |
| BFE (3) | ≥ 95% |
| SPLASH RESISTANCE (80,120,160) | 80 |
| DELTA P | 4.0 |
| PFE (.1) | ≥ 95% |