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.
Customer reviews for Respro Techno/City Valve Pack
Review 1 for Respro Techno/City Valve Pack
It was bought:Don't know
This product is very useful.
PostedJune 6, 2012
Yes, I recommend this product.
Pros: Good value, Good quality, Comfortable, Lightweight, relieves build up of sweat
I actually use this for hiking. These valves really assist me to breathe more easily when wearing a pollution mask, because, instead of exhaled, warm moist air building up behind the mask and creating sweat, the air is released. Perspiration under the mask is very uncomfortable. Previously I was using a product without valves and it was awful. So I am exceptionally please with my purchase. Thanks for your servies!
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