Thermacell 2 Butane Cartridge Refills for Repellers, Lanterns, and Torches. The Thermacell Mosquito Repeller system effectively repels mosquitoes, black flies, and other biting insects by creating a 15 x 15-foot zone of protection for bug-free comfort. Ideal for use while you are camping, hunting, fishing, gardening, and around the backyard, Thermacell products have been evaluated by the EPA for safety and effectiveness.

• Includes: 2 butane cartridges
• Refills work with all Thermacell repeller devices (Repellers, Lanterns, and Torches)