FESTO Pressure Hoses & Connectors Air hose 612364 - FESTO 197390-50, The Festo air hose 197390-50 is made of thermoplastic elastomer and comes in black with an inside diameter of 2.6 mm, capable of withstanding pressures up to 10 bar. This 50-meter pneumatic hose is suitable for various industrial applications requiring flexible and durable air delivery solutions. Typical uses include providing compressed air to pneumatic tools and machinery. FESTO 197390-50 Air hose Black Thermoplastic 2.6mm 10 bar 50m