UEi™ CO71A Handheld Gas Detector, Carbon Monoxide, 0 - 999 ppm, Audible Alarm, Visual, LCD, LED, 1 ppm Resolution
Honeywell E3SRMCO E3 Point Remote Sensor, Carbon Monoxide, 0 - 250 ppm, >85 dBA at 3 m Alarm, 1 ppm Resolution, 24 V
UEI COA1 Carbon Monoxide Detector Adapter, Compatible SmartPhones Android or iOS Devices
Honeywell VA301C Gas Monitor Controller, Combustible Gas and Oxygen, Programmable Alarm, Large 122 x 32 Dot Matrix
Robinair® TIF8803A Battery Charger, For Use with TIF8800, TIF8800A and TIF8900 Gas Detector, 115 V Output
Honeywell E3 Point® Surface Mount Gas Detector, Carbon Monoxide, Audible Alarm, 2 Line Backlit LCD, -40 to 122 deg F
Honeywell C7232A1024 Wall Mount Sensor with Display, Carbon Dioxide, 0 - 2000 ppm, LCD, 32 - 122 deg F, 24 V, 50/60 Hz