The Edwards Signaling SD-T8 is an 8" SuperDuct air sample tube designed for duct smoke detectors, perfect for tight spaces with a depth under 2" for easy installation. It features a PCB-mounted photoelectric sensor equipped with advanced on-board intelligence for reliable detection. Additionally, it incorporates environmental compensation through patented differential sensing technology, ensuring accurate performance in varying conditions. Enhance your safety system with this efficient and compact solution. Order now to safeguard your environment effectively!