Both half masks and full face masks can be used with breathing apparatus compressed air, with isolating respirators by air intake or compressed air.
The full face masks adhere perfectly to the face thus protecting the nose and mouth. chin and eyes.
The half masks cover the nose and mouth and are equipped with replaceable filters that act on dust and/or gas. There are two exhalation valves.
The masks have an elastic harness that goes behind the head and adjusts to find the best position on the face.