What does the valve do?

The valve of the mask plays an important role in the wearer's safety and comfort by reducing CO2 build-up and humidity, which can promote viral and bacterial growth. Our valve is specifically designed to minimize potential droplet spread while maintaining the mask's overall effectiveness as a piece of personal protective equipment (PPE).

The valve consists of three parts: an outer disk, an inner membrane, and an inner disk. It features a silicone gasket as the inner membrane within a casing. The inner membrane opens when you exhale and closes when you inhale. You can observe this process by looking in a mirror and watching the inner membrane move as you breathe. The valve opens downward when exhaling, directing the exhaled breath downward rather than outward, away from those around you. This directional flow design helps reduce droplet spread.

Learn more about our Filter Technology here.

If you have further questions, please contact us via email at info@cambridgemask.com or use the Chat button on our site to connect with our Customer Service Team.

What does the valve do?

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