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.

Thorlabs
Thorlabs FGL280S is the exact manufacturer part number for 2" Square N-WG280 Colored Glass Filter, 280 nm Longpass. Submit the exact part number, quantity, destination, and application details for an RFQ.
For a faster response, include quantity, condition, and delivery destination.
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 Thorlabs FGL280S. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.