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
The Festo 178421 is a yellow ester-based TPE-U industrial component featuring a 12 mm outside diameter, an 8 mm inside diameter, and a weight of 0.0767 kg/m for use with compressed air operating media according to ISO 8573-1:2010 [7:-:-]. This TÜV-certified pneumatic tubing operates across an ambient temperature range of -35 °C to 60 °C, exhibits a shore hardness of D 52 +/-3, and accommodates a pneumatic connection for a 12 mm outside diameter plug connection while remaining suitable for energy chains. Please submit the exact part number, quantity, and application requirements for a quote.
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 178421. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.