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Why ThermaCELL




Where to Buy

How it Works

ThermaCELL® Mosquito Repellent Lanterns and Appliances are powered by a single butane cartridge. Butane provides the cordless, portable heat that activates the patented devices.

The heat generated by the butane cartridge is directed to a metal grill that is part of the design of the Lantern or Appliance. A small mat, saturated with repellent, sits on top of the metal grill. Heat vaporizes the repellent, allowing it to rise into the air.

The repellent is allethrin, a copy of a repellent that naturally occurs in chrysanthemum flowers. It repels mosquitoes, black flies, and no-see-ums, and will not harm humans or pets.

Within minutes after turning on the Lantern or Appliance, the repellent creates a 15 by 15-foot (225 square-foot) area of repellency, the size of an average deck, patio, or campsite. All ThermaCELL Mosquito Repellent products use the same refills, which contain both repellent mats and butane cartridges.

See Frequently Asked Questions for more information.



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