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
The Thorlabs 4P4 is a Ø100 mm integrating sphere featuring four modular faces in a reflection measurement configuration. Released on November 20, 2019, each unit has a package weight of 10.53 lbs, with the current lifecycle status available in manufacturer documentation. Please submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 Thorlabs 4P4. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.