Description
The Techno valve is an upgrade from the ‘old’ City mask valve which is still being used by some people. The older valve is smaller in size so the Techno™valve is considered an upgrade when combined with the Techno Filter.
The Techno valve now comes as standard with all City Masks. The Techno valve is robust and is perfect for town use. However it does not have the same characteristics as the Powa valve when it comes to higher breathing rates associated with physical exertion.
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