Backflow Incense Burner - Elephant BACK51Backflow Incense Burner Elephant Our range of backflow burners are made from resin and are for use with backflow incense cones only. Backflow incense creates a mist when it is lit which flows down and around the backflow burner. This mist contains natural resins and oils that can create a light residue on the burner and surface around it which can be wiped clean with a damp cloth. This product comes with full safety information and must be placed on a