Positive Pressure Facemask Vision Ams Silicone

The Vision AMS silicone is a true dual use mask containing a switchable exhale valve that operates in a positive pressure mode when a DV is connected and a true negative pressure mode when a filter is fitted to the facemask.
With an extremely comfortable silicone face seal available in 3 sizes the Vision AMS silicone provides a mask that will fit a wide range of facial shapes and sizes