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 8120903 is a Series P size 44 filter regulator featuring a regulating screw with locknut, primary pressure compensation, and secondary exhausting for compressed air and inert gases within an operating pressure range of 1 bar to 20 bar. Designed with a 5 µm filtration grade, a manual rotating condensate drain with a 12 cm³ max condensate volume, and housing and bowl conforming to NACE MR0175/ISO 15156, it delivers a normal nominal flow rate of 1600 l/min and a max standard flow rate of 2400 l/min while supporting ATEX Zone 1, 2, 21, and 22 explosion protection. Submit the exact part number, quantity, and application requirements for a formal 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 8120903. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.