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.

Filtration Group
The Filtration Group part number 331781 is an industrial component featuring the manufacturer model designation NIEDERDRUCK-DOPPELSCHALTFILTER PI 2105-058/PIS 3119. Submit the exact part number, quantity, and application requirements for an RFQ quote.
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 Filtration Group 331781. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.