The Urban Air Valve Stopper can be used to replace your valve caps in order to reduce the exhalation function of the Urban Air Mask 2.0. Available in 3 different colours. The valve stoppers can only be used for the Urban Air Mask 2.0.
The Exhalation Valve Stoppers have been tested at RISE R&D Centre in Sweden with evidence showing that it will block 99% of the exhaled air, diminishing the risk of respiratory droplets escaping into the ambient air.
2 x Exhalation Valve Stoppers for the Urban Air Mask 2.0