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-CUSTOM is a Ø100 mm integrating sphere featuring 4 modular faces in a customer-selected configuration. Released on November 20, 2019, each unit has a package weight of 8.56 lbs and operates according to current manufacturer documentation with availability determined by lead time. Submit the exact part number, quantity, and application requirements to request a 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 Thorlabs 4P4-CUSTOM. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.