3 hour fire (Variations in fireplace and climatic conditions may alter duration of burn). Clean Burn technology. Qwicklite. Bigger and bolder flame. More warmth. More time. More life. Burns Cleaner than Real Wood: Up to 75% less particulate matter (15th Emission Inventory Conference, New Orleans, May 2006). Up to 80% less carbon monoxide (15th Emission Inventory Conference, New Orleans, May 2006). Brighter, Fuller Flames: Longer lasting, bolder flames. Great for open campfires and outdoor fire pits. Check with manufacturer before using in chimineas. For United States, this firelog has been tested by Underwriters Laboratories Inc. for use in factory-built fireplaces. For Canada, this firelog has been designed for brick or heavy gauge metal line masonry fireplaces, UL or cUL or ULC listed fireplaces, and fireplaces inserts having minimum burning areas of 400 sq in (0.256 sq m). Use in smaller appliances may be hazardous. Learn more about Pine Mountain firelogs at www.pinemountainbrands.com or call us toll-free at (877) 402-5185. Classified UL listed. Processed solid fuel for use in factory-built fireplaces 7L47. Assembled in: Of USA and Canadian components.