Thermacell Mosquito Repellent Refills 40hr can keep your devices running for the long haul. Featuring a 28m2 zone of protection against mosquitoes – our largest zone yet. Always be prepared by keeping extra cartridges and mats in your tent, backpack, garage, or tackle box ready when you need them. Portable and compliant for air travel. Compatible with Thermacell Rechargeable Repellers only.

• Rechargeable Refills create a 28m2 zone of protection against mosquitoes – Thermacell's largest zone yet
• Compatible with all Thermacell rechargeable repellers and each scent-free refill provides 40 hours of on-demand, continuous mosquito protection
• Thermacell rechargeable devices are powered by a lithium-ion battery and heat activates the repellent to provide maximum protection in 15 minutes
• Repel mosquitoes without DEET sprays or lotions on your skin - no smoke, flames, or strong scents
• Independently tested and APVMA reviewed for safety and effectiveness, as backed by the Thermacell Guarantee
• Includes one 40-hour repellent refill