Mask Dimensions
| US Sizes | |
| Height (inches) | 7 ⅛ |
| Width (inches) | 7 ¼ |
| Earloop circumference (inches) | 11 ¾ |
| Metric Sizes | |
| Height (cm) | 18 |
| Width (cm) | 18 |
| Earloop circumference (cm) | 30 |
| US Sizes | |
| Height (inches) | 7 ⅛ |
| Width (inches) | 7 ¼ |
| Earloop circumference (inches) | 11 ¾ |
| Metric Sizes | |
| Height (cm) | 18 |
| Width (cm) | 18 |
| Earloop circumference (cm) | 30 |