Fumigator

noun

1. One who or that which fumigates; specifically, a furnace or brazier in which tobacco-stems, disinfecting materials, etc., are burned for the purpose of creating a heavy smoke destructive to insect life, as in plant-houses, or for purifying or perfuming an apartment.
2. One who, or that which, fumigates; an apparattus for fumigating.
3. One who fumigates.
4. An apparatus for fumigating.
5. a device that generates a gas for the purpose of disinfecting or eradicating pests