> IF YOU DON'T HAVE A CARBON MONOXIDE DETECTOR IT CAN SAVE YOUR LIFE Maybe add the words "then get one" after "Detector"? I'm mostly joking, but I can see a

> IF YOU DON'T HAVE A CARBON MONOXIDE DETECTOR IT CAN SAVE YOUR LIFE Maybe add the words "then get one" after "Detector"? I'm mostly joking, but I can see a non-native-English speaker misunderstanding you