The FLIR IRW Aluminum InfraRed Window 2 (O.D. 2.87/73mm) is a durable and high-quality accessory for infrared inspections. This aluminum window provides an easy and safe way to perform thermal imaging inspections on energized electrical equipment or mechanical systems without the need to open panels or covers. With its 2 outer diameter (2.87/73mm), it can accommodate various applications and is compatible with FLIR thermal cameras. The IRW window is designed to withstand harsh industrial environments and is an essential tool for professionals who prioritize efficiency and safety in their inspections.