Nitrogen is a gas that occurs naturally in the atmosphere and is non-toxic in its pure form. When nitrogen is used for fumigation, the gas is pumped in high concentrations into the room containing the products to be treated. The nitrogen drives oxygen out of the air, leading to an oxygen-poor environment that is harmful to insects and other organisms that need oxygen to survive.
Nitrogen fumigation is an effective method of controlling a variety of pests, including bed bugs, moths, cockroaches, beetles, mites, flies and spiders. It can also be used to kill mold and bacteria that have taken hold in food storage areas and other areas.