ThermaCELL® Mosquito Repellent Refills come in a variety of quantities.
One refill includes 3 mats and 1 cartridge, for a total of 12 hours of repellency.
To continue to repel mosquitoes repellent mats should be replaced after 4 hours of use. Butane cartridges last up to 12 hours each.
Refills fit all ThermaCELL mosquito repellent models.