Lavendel natural backflow incense cones

Box with 12 lavender scented backflow incense cones. Backflow incense cones can only be used with a backflow incense burner and are not suitable for normal incense burners. Backflow incense cones have a hole on the bottom that corresponds with the hole on a backflow incense burner, enabling the smoke to flow out downwards. They also produce more smoke to create the waterfall effect of the smoke flowing down the incense burner. A cone lasts for about 15-20 minutes. 100% natural, ingredi?nts"natural frankincense incense resin, joss-bark powder, wood powder, guar gum, incense resin, essential oils.