CleanSpace CST full face mask is designed for use with the CleanSpace PRO power unit (CST1002) and CleanSpace ULTRA power unit (CST1012); it is suitable for applications where face protection and eye protection is required; the CleanSpace CST full face mask clips to the power unit and provides respiratory, face, and eye protection; it is comprised of an outer visor, inner mask, and a five-point harness to evenly support the mask and power unit and provide ease of movement.