C4 Butane-only Cartridge Refills, 4-pk.

Mosquitoes ruin everything. Thermacell's award-winning technology keeps mosquitoes away by creating a 15FT protection zone around you. Our proprietary formula precisely targets mosquito sensors, driving them away. With consistent protection that doesn't weaken over time, Thermacell helps you live your best outside life without the use of bug sprays or lotions on your skin. Always be prepared by keeping extra cartridges and mats in your tent, backpack, garage, or tackle box ready when you need it. This refill pack is compatible with all Thermacell fuel-powered repellers (except the Backpacker). Comes with 48 hours of fuel.

• MOSQUITO PROTECTION THAT WORKS: Thermacell effectively keeps mosquitoes up to 15FT away. Works fast, get max protection in 15 minutes. Easy to use. This refill pack is compatible with all Thermacell fuel-powered repellers (except the Backpacker).
• LONG LASTING DEFENSE: Scent-free refills provide on-demand, consistent repellent protection that doesn't weaken over time
• REPEL MOSQUITOES IN AIR, NOT ON YOUR SKIN: Repel mosquitoes without DEET sprays or lotions on your skin. Unscented repellent mats last up to 4 hours each and change color when time to replace. No smoke, no flame and easy to refill
• PROPRIETARY FORMULA: Independently tested and EPA reviewed for safety & effectiveness. People and pet friendly. For outdoor use only
• THERMACELL GUARANTEE: Backed by the Thermacell Guarantee. See packaging for details.
• INCLUDES: Four 12-hour fuel cartridges