Large Backpacker Mosquito & Midge Repeller Refills (12 Pack)

Each refil lasts for 4 hours, so an entire pack will give you 48 hours of protection using the Thermacell Backpacker Mosquito Repeller.

• Synthetic insect repellent - uses Allethrin to mimic natural chrysanthemum repellent
• Mat-only refill - to use in Thermacell Backpacker Mosquito Repeller
• 12 x repellent mats
• Each mat lasts 4 hours
• Scent and DEET free