This ceramic backflow incense holder is a beautiful showpiece for your altar or home. Enjoy the calming effect of the smoking fountain as it enhances your mindfulness rituals with 30 backflow incense cone included. The Incense Waterfall, also known as a Backflow Burner, is a ceramic holder with which special incense cones are used. When you light these cones, the smoke glides along the burner to the bottom. It looks like a mountain with a streaming waterfall. Pretty cool!