ThermaCell Mosquito Repellent Refill - Value Pack SPECIFICATIONS BRAND: THERMACELL CA PROP 65: YES PACKAGE QUANTITY: 12 SCENT OR REPELLENT TYPE: MOSQUITO REPELLENT DESCRIPTION This ThermaCell Mosquito Repellent Refill value pack comes with everything you need to deliver a full 48 hours of insect repellency. This value kit includes 12 insect repellent mats soaked with allethrin and four butane cartridge refills. This refill kit is specifically intended for use with ThermaCell Mosquito Repellant Appliances. The good thing about this ThermaCell Mosquito Repellent Refill value pack is that it can be safely stored for long periods of time. When you are ready to refill your appliance, simply slip in a new mat, replace the butane cartridge if needed, and hit the button to restart. It is as simple as that.