Discover the efficiency of the Edwards Signaling SD-T78 SuperDuct 70" Air Sample Tube, perfect for duct smoke detectors in tight spaces. This compact device, less than 2" deep, is ideal for installations where space is limited. It features a PCB mounted photoelectric sensor with onboard intelligence, ensuring precise environmental compensation and differential sensing for reliable performance. Suitable for high air velocity duct applications up to 4000 ft/min, it works seamlessly with standard Kidde Intelligent detectors. Installation is straightforward with a prewired detector base that allows for easy plug-in and setup. Enhance your safety measures with this versatile and stable air sample tube. Don't wait, secure your environment today!