ThermacellTurn it on … Midges and Mosquitoes GONE! Thermacell units are simple to use and are completely safe around children and pets.
Thermacell repellent devices repel mosquitoes by creating a zone of repellent (allethrin, which is a synthetic copy of a natural repellent found in chrysanthemum plants).
All Thermacell Mosquito Repellers work the same way and all are able to use any Thermacell repellent mats and refill cartridges. (Backpacker uses standard gas cartridges).