consists of:- robust steel pipe profile prepared to hold 2 x 6 l or 6,8 l cylinders,- 2 big wheels with rubber tires- 1 pressure reducer 300/7 bar with warning signal, safety valve, high pressure gauge, medium pressure gauge, medium pressure coupling- 1 carrying case for mask- adapted for take-up of 30m medium pressure hose. Dimensions: H = 130 cm, W = 65 cm, D = 55 cm surface RAL-powder-coated