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 Size 4 industrial component from the MS series is a filter regulator featuring a structural design without a pressure gauge, a rotary knob with detent for actuator locking, and a 40 µm filtration grade. It delivers a normal nominal flow rate of 1500 l/min with an operating pressure range of 2 bar to 12 bar and incorporates both fully automatic and manual non-detenting condensate drains with a maximum condensate volume of 19 ml. Designed for vertical ±5° mounting with constant output pressure, secondary exhausting, and return flow characteristics, this unit operates using compressed air or inert gases within a pressure regulation range of 0.5 bar to 12 bar. 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 8232857. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.