Air Products and Controls STN-10.0 10 foot sampling tube for SL-2000 Ionization Duct Smoke Detector.
System Sensor ST-3 - Innovair Metal Sampling Tube SKU: ST-3 Price: $11.29
Air Products and Controls Ionization Smoke Detector SL-2000-N SKU: SL-2000-N Price: $110.36
Belimo LF24 US LF Damper Actuator SKU: LF24 US Price: $125.93
Honeywell AT40A1121 - Transformer, Foot Mounted 120 Vac SKU: AT40A1121 Price: $19.81
Honeywell 203368 - Replacement Prefilter for F50F,F300 SKU: 203368 Price: $18.10