The smoke cascades downwards as these backflow incense cones have a hole through their centres and the special backflow burners (not include in this pack) have reservoirs for the smoke to flow through.
 
Stamford Backflow Incense Cones
Contains 12 incense cones approx
Made from perfumery raw materials only
Recyclable packaging
For best results place it on backflow incense holder
 
Box Contains 12 Individual Packs of 10 cones per pack.