Male quick hose fittings for concrete hose also called "Cam-Beton" in yellow passivated steel, chrome VI free. Suitable for the passage of fluids in the construction sector up to a maximum pressure of 50 bar. Thread according to ISO 228 standards. System 22 as a height measurement of the tap cam. The System 23.5 version also exists but is not compatible. Standard sizes 25/35/50.