The Arigna Cosyglo Smokeless Fuel - 20kg generates excellent heat and leaves behind very little ash. It combines all the traditional qualities of a real fire, is slow burning , but it’s also low in ash and very efficient. It won’t spark or spit like traditional smokey bituminous coal. HETAS approved smokeless fuel for both stoves and open fires Environmentally friendly – lower CO2 emissions than bituminous coal A high quality ovoid egg shape with high heat outpu