Overview Reviews Product Description Backflow Burner Resin Pyramid Black 5"T x 2" wide Used for burning back flow incense cones. Product Videos Custom Field Product Reviews Write a Review Write a Review × Backflow Burner Resin Pyramid Black 5" Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *