Masks and respirators with valves
The state of Victoria has now made it mandatory for most people to wear a mask when out. Some of the masks available have an exhaust valve which allows unfiltered air to be exhaled. This means that you could be…
The state of Victoria has now made it mandatory for most people to wear a mask when out. Some of the masks available have an exhaust valve which allows unfiltered air to be exhaled. This means that you could be…