DNR Duct Smoke Detector Housing Fire Lite NEW System Sensor Innovair Flex Intelligent Non-Relay Low-Flow We have 30 We also have these, all "NEW" in other listings 21 - RTS151KEY Remote Test Station for these Duct housings 28 - MR-201/C/R Relay in Enclosure Red (often for fan shut down and damper control) 11 - EOLR Supervisory Relay 17 - STI-1100 Manual Pull Station covers Safety Technology 19 - STI-1210A Horn Strobe weather enclosure Safety Technology 30 - DNR Duct Detector Housings Notifier, Fire Lite, Silent Knight, Honeywell Also these Notifier NEW items 24 - FRM-1 Relay Module Notifier 8 - FSP-951 Smoke Detector Head Notifier 16 - FMM-101 Mini Monitor Module Notifier Please send a message if you have any questions. Please check our other listings for more Fire Alarm equipment.