The 0.8mm thick wall gives a tight seal while putting almost no pressure on your face. You will barely feel it.
The seal construction is designed to maximum adjustment to the anthropometric data.
Made of flexible, lightweight, and durable ABS material.
Filtration efficiency above 97%.
When you sign up for a subscription you get a month's supply of filters.
During exhalation, the valve allows the air to be released freely without filtration. Extremely useful when e.g., you are running in a city park.
Made of pleasant to the touch ABS material.