![MSA 10153986 ALTAIR 2X Single-Gas Detector - (CO) Carbon Monoxide (Low: 25ppm, High: 100ppm), Color: Charcoal, Portable Gas Monitor, Handheld, Durable, UL/CSA: Amazon.com: Tools & Home Improvement MSA 10153986 ALTAIR 2X Single-Gas Detector - (CO) Carbon Monoxide (Low: 25ppm, High: 100ppm), Color: Charcoal, Portable Gas Monitor, Handheld, Durable, UL/CSA: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/81ApWUmdYGL._SL1500_.jpg)
MSA 10153986 ALTAIR 2X Single-Gas Detector - (CO) Carbon Monoxide (Low: 25ppm, High: 100ppm), Color: Charcoal, Portable Gas Monitor, Handheld, Durable, UL/CSA: Amazon.com: Tools & Home Improvement
![MSA 10154080 Altair 2X CL2 Chlorine Single Gas Detector, Low Alarm 0.5 ppm, High Alarm 1 ppm, 2 Year Warranty - Durawear.com MSA 10154080 Altair 2X CL2 Chlorine Single Gas Detector, Low Alarm 0.5 ppm, High Alarm 1 ppm, 2 Year Warranty - Durawear.com](https://cdn11.bigcommerce.com/s-mb827g/images/stencil/1280x1280/products/1973/6605/MSA-10154080__47121.1651502248.jpg?c=2)
MSA 10154080 Altair 2X CL2 Chlorine Single Gas Detector, Low Alarm 0.5 ppm, High Alarm 1 ppm, 2 Year Warranty - Durawear.com
![MSA 10154074 ALTAIR 2X Gas Detector, CO-H2, (Hydrogen Resistant Carbone Monoxide), Gray: Amazon.com: Tools & Home Improvement MSA 10154074 ALTAIR 2X Gas Detector, CO-H2, (Hydrogen Resistant Carbone Monoxide), Gray: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/71N6qgfqYDL._SL1500_.jpg)