Introducing the Edwards Signaling 60-Inch Sampling Tube, designed for effortless installation in tight spaces with its sleek, less than 2-inch depth. This innovative product features a PCB-mounted photoelectric sensor equipped with advanced onboard intelligence, ensuring optimal performance. With patented differential sensing technology, it offers environmental compensation for reliable and stable operation. Ideal for high air velocity duct applications, it can handle speeds up to 4000 ft/min. This sampling tube is compatible with standard Kidde Intelligent detectors, making it a versatile choice for smoke detection. Upgrade your safety systems today with this essential tool!