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 part number 535703 is a size 4 filter regulator from the MS series featuring an integrated metal shell bowl guard, a manual rotary condensate drain with a 25 ml maximum volume, and a 5 µm filtration grade. It operates within a working pressure of 0.8 to 14 bar and a pressure control range of 0.5 to 12 bar, delivering a standard nominal flow rate of 850 l/min for compressed air to ISO 8573-1:2010 [-:4:-] or inert gases. Equipped with a pressure gauge and a lockable rotary knob actuator, the unit maintains a constant output pressure with secondary exhaust and return flow while functioning within a -10 to 60 µC temperature range. Submit the exact part number, quantity, and application requirements to receive 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 535703. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.