The FLUKE-CV300 is a Fluke 3-inch (75mm) infrared window featuring a convenient hand turn door latch mechanism, allowing for quick and easy access for thermal imaging inspections. This high-quality accessory (part number 4326962) is designed to enhance safety and efficiency during electrical maintenance and troubleshooting tasks. It provides a clear view for thermal cameras to capture accurate temperature readings without the need to open panel doors, ensuring maximum protection for the user and equipment. Trust the FLUKE-CV300 for reliable performance and peace of mind in your thermal imaging applications.