Thermacell Original Mosquito Repellent Refills 120 Hours SPECIFICATIONS BRAND: THERMACELL CA PROP 65: YES SCENT OR REPELLENT TYPE: MOSQUITO REPELLENT DESCRIPTION Original Thermacell Mosquito Repellent Refills effectively repel mosquitoes by creating a scent-free 15-foot zone of protection when used in fuel-powered Thermacell Repellers. Ideal for use while you are camping, hunting, fishing, gardening and around the backyard. Features: 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