Phurnacite is highly regarded as the Number One smokeless fuel for cookers, room heaters, & stoves. Manufactured for over 50 years, Phurnacite remains the country's first choice of high performance smokeless fuel. The hard, clean burning phurnacite briquette packs together into a tight firebed that provides long lasting, consistent, & controllable heat. In the right conditions, Phurnacite will stay in for upto 18 hours. Efficient - Excellent heat delivery at high output Clean - A compact, hard fuel that leaves dense ash Slow Burning - outstanding slumbering times Environmentally-Friendlier - Lower CO² emissions Smokeless - approved for use in smoke control areas HETAS Approved - Safe & Fit for purpose Trustworthy - buy with complete confidence from the UK's leading supplier of Phurnacite coal