
Item | Value |
Inhalation resistance | not more than 186pa at 30 L/min. |
Exhalation resistance | not more than 100pa at 30 L/min. |
Visual field | total not less than 75% |
binocular visual field | not less than 30% |
Weight | complete set of mask app.700 grams. |
Storage life | more than 8years. |






