During a fire, a closed door can keep carbon monoxide levels at 1000 ppm vs10,000 ppm when a door is left open. This is more than 10x the amount needed to kill you within minutes. Be sure to have working CO alarms in your home!
During a fire, a closed door can keep carbon monoxide levels at 1000 ppm vs10,000 ppm when a door is left open. This is more than 10x the amount needed to kill you within minutes. Be sure to have working CO alarms in your home!
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