Duraflame firestarter 12-pack 4.5oz Firelighters. A fast, sure way to start a wood fire. Replaces messy newspaper and kindling. One firelighter burns up to 30 minutes, long enough to start even difficult to light wood fires. Using duraflame firestart firelighters to light a wood fire results in faster and more complete ignition of the fire, reducing emissions of particulate matter and carbon monoxide.