The Thermacell Backpacker mat refills are designed to fit into the Thermacell Backpacker Mosquito Repeller to repel mosquitoes and midges within a 15-foot range, creating a mosquito-free bubble.

The refills are completely scent-free, DEET-free and contain Allethrin, a synthetic based on the natural repellent found in chrysanthemum flowers.

• Refills for the Thermacell Backpacker Mosquito Repeller
  
• Create a 15-foot ‘bubble’ of no mosquitoes
• Scent-free
• DEET-free
• Active ingredient: Allethrin
• 12 refills in a large pack
• Each refill has a 4-hour life-span
• Size: 5cm x 4cm