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 531866 is an industrial component from the MS series, size 6, utilizing a fiber filter design with a 0.01 µm filtration grade to deliver a 99.9999% filter efficiency and a 99.995% fine particle filter efficiency. Operating within a pressure range of 0.2 MPa to 1.2 MPa (2 bar to 12 bar) and temperatures from -10 °C to 60 °C, this unit processes compressed air as per ISO 8573-1:2010 [6:-:4] or inert gases, achieving an output air quality class of ISO 8573-1:2010 [3:-:2] with standard flow rates between 135 l/min and 900 l/min. Features include fully automatic and manual non-detenting condensate drains, a 38 cm³ maximum condensate volume, a plastic bowl guard, a corrosion resistance class of CRC 2, and VDMA24364-B1/B2-L LABS conformity. 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 531866. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.