Discover the efficiency and reliability of the Silent Knight SD505-T2 Sampling Tube, brought to you by Silent Knight by Honeywell. This advanced device features a two-wire connection to the SLC, LED alarm indicators on the sensor head, and the capability to detect and control smoke spread effectively. Its robust steel backbox and clear plastic cover ensure durability, while the included installation template simplifies setup. With large terminal screws and three standard tube lengths, it meets UL 268A standards and complies with NFPA 72 and 101. Enhance your safety measures today!