Pine Mountain Cracklelog Crackling Firelog, 3-Hour Burn Time, Crackle Sounds, 6 Pine Mountain Crackling Burn time 3-hour. Our Pine Mountain Crackle Firelog provides soothing warmth and comfort. Each Log Lights Easily and quickly. The Classic Firelogs are greener and burn longer than cordwood, producing up to 80-percent less carbon monoxide and up to 75-percent less particulate matter. Features Burn time 3-hour Ideal for indoor and outdoor use - sounds like a natural fire with crackling wood sounds Great for campfires and outdoor fire pits too Quick and easy to light Burns more evenly and consistently than real wood 80-percent less emission in air than real wood USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.