For the backyard and beyond, Thermacell Refills keep your Patio Shields, Lanterns, Torches, and other fuel-powered Thermacell Repellers fueled for the long haul, no batteries or cords needed. Always be prepared by keeping extra cartridges and mats in your tent, backpack, garage, or tackle box ready when you need it. This Thermacell Mosquito Repellent Refills pack comes with 12 hours of mosquito repellent and fuel.

• Repels mosquitoes, black flies and no-see-ums
• Each repellent mat lasts up to 4 hours and each fuel cartridge lasts up to 12 hours
• Active ingredient is Allethrin, a synthetic version of a naturally occurring repellent found in chrysanthemum flowers
• For use in fuel-powered Thermacell Repellers, Lanterns, and Torches
• No spray and no mess. Scent-free and DEET-free.