non-smoke mosquito coil for oversea's market effectiv in 2 minutes prevent dengue,Nile fever and several Nile disease can OE it aims at the pariticular characteristics of African conditions and climate .It is made with natural vegetable powder and D-allethrin.It is effective to kill kinds of bugs.In addition,it can prevent West Nile Airus Ague,Yellow Fever,Dengue fever,etc,which are popular in ...