The Thermacell Cartridge Refill effectively repels mosquitoes by creating a 15-foot zone of protection when used with Thermacell devices and Thermacell Repellent Mats. Use this Fuel-only refill for when you have spare Thermacell Repellent Mats. Turn it On, Mosquitos Gone.

For Use with the Thermacell Patio Shield s & Thermacell Portable Repellers
This 4-pack provides up to 48 hours of use in Thermacell Mosquito Repellers
Fuel-only refill, repellent mats not included
For use in fuel-powered Thermacell Repellers, Lanterns, and Torches
Can be stored for long periods of time
Package contains: 4 fuel cartridges each lasting 12 hours
For your Thermacell Lanterns, Hand Helf Repellers and Patio Repellers

Thermacell Fuel Cartridge Refill - 48 Hour