Witches Crystal Cave LED Backflow Incense BurnerThis amazing witch crystal cave backflow burner subtly changes colour whilst you burn your cones. Made of resin.For Use With: Backflow Incense Cones OnlyCone Included: Yes - 1 Cone (Unfragranced)Approximate Burn Time: 30 MinutesBatteries Required: 2 AA (not included)Backflow incense smoke flows down through a backflow burner and c