FESTO Pressure Hoses & Connectors Air hose 612363 - FESTO 197392-50, Festo's air hose 197392-50 is a thermoplastic elastomer hose in black, with an inside diameter of 5.7 mm and a 10 bar pressure capacity. This 50-metre pneumatic hose is designed for high-efficiency compressed air delivery systems. It is suitable for industrial applications requiring flexible and durable air supply solutions. FESTO 197392-50 Air hose 50m 10 bar 5.7mm Diameter black