This ThermaCell refill pack will only be delivered via FedEx Ground.
Designed to fit all ThermaCell models, this mosquito repellent refills value pack is one you'll want to keep handy for an outdoor activity free of bugs. This refill includes four butane cartridges and 12 mats for up to 48 hours of service. Refills can be stored for long periods of time and don't need to be used all at one time. Just turn the unit off, then restart when you are ready. If you don't plan on using the unit for more than 1 week, store the mat in a dry, dark place.