Elephant Lake Smoke Backflow Incense BurnerProduct Details: Must use a backflow incense cone to accomplish the smoke waterfall effect Incense burner comes with 10 incense cones Handmade Made from Ceramic Dimensions: Height: 6. 3" (16 cm) ; Width: 5. 1" (13 cm) How to use: Lit an Incense Cone and place it in its place in the burner (elephant's head). After the cone has been lit well. an ash will form. which will push the smoke down towards the hole of the incense cone and through the small hole