ThermaCELL® Mosquito Repellent Refills come in a variety of quantities.
The value pack provides 48 hours of repellency (12 mats and 4 cartridges).
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.