A bumper pack of 45 backflow incense cones, different to regular incense cones, these have a hole in the bottom, and when placed on 'backflow' burners the smoke is pulled down, creating tumbling smoke effects. They can also be used in regular incense cone burners. Backflow conesSuitable for regular and backflow burnersApprox 45 conesApprox 20 minute burn timeAlways place on a burner and not directly on surfaces.
