The 3M Scott Safety ProPak-fx is a Type 2 open circuit, self-contained, compressed air breathing apparatus. It consists of a height adjustable back plate, padded carrying harness with pivoting waist-band and pneumatic system, containing a cylinder connector, reducer, pressure gauge, whistle and demand valve.

The ProPak-fx can be configured in a number of different ways with various size single cylinders. There are also a range of variants available including Airline (AC), Split Demand Valve Coupling (SDC or Y2C), Quick Connect Option or Duo variants. The ProPak-fx is used in conjunction with a range of composite or steel cylinders and the choice of Vision 3 or Promask PP Face mask.