Introducing the Edwards Signaling SD-T8 SD Series SuperDuct 8" Air Sample Tube, designed specifically for duct smoke detectors. This innovative product is less than 2 inches deep, making it perfect for installations in tight spaces. Equipped with a PCB-mounted photoelectric sensor featuring advanced on-board intelligence, it ensures reliable performance. Additionally, the patented differential sensing technology offers environmental compensation, enhancing its accuracy and efficiency. Upgrade your smoke detection system with the SD-T8 and experience peace of mind. Don't wait—order yours today and ensure safety in your environment!