Mosquito fogger has different parts.
There is a storage tank below the body where insecticide is stored and another part where fuel like gas is stored. In case of a fogger that does not use gas but uses electricity it has a cable that connects to the power source.
It has a heat assembly chamber which includes a heating element. The heating element is used to heat pesticides until it vaporizes.
How does the fogger work
When the user starts or pumps on the fogger. The insecticide is transported to the heating element.
The insecticide is heated to a point where it vaporizes to form fog. The fog is sprayed out to kill the mosquito.