15-foot zone of protection Includes 120 hours of mosquito protection refills For use in fuel-powered Thermacell Repellers, Lanterns, and Torches Each repellent mat lasts up to 4 hours and each fuel cartridge lasts up to 12 hours No spray and no mess. Scent-free and DEET-free. Active ingredient is Allethrin, a synthetic version of a naturally occurring repellent found in chrysanthemum flowers Package contains: 30 repellent mats and 10 fuel cartridges
