Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Festo
Manufactured by Festo under part number 525454, this white industrial component features a 6 mm outside diameter, a 4 mm inside diameter, and a D 54 +/-3 Shore hardness with a product weight of 0.02 kg/m. The tubing operates across a temperature-dependent pressure range of -0.95 bar to 10 bar and an ambient temperature range of -35 °C to 60 °C, supporting compressed air and liquid water media while maintaining TÜV certification and UL94 V-0 at 3mm fire test ratings. It accommodates plug connections for 6 mm outside diameter tubing, barbed fittings for 4 mm inside diameter tubing with or without a union nut, and is suitable for energy chains. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Festo 525454. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.