Product Review

When heated in any ThermaCELL appliance, the ThermaCELL Mosquito Repellent Refill effectively repels mosquitoes, black flies, no-see ums & sand flies with a scent that lingers continuously for up to four hours per mat. The repellent, allethrin, is a synthetic analog (chemical copy) of a naturally occurring insecticide, pyrethrin, found in the pyrethrum flower, a member of the chrysanthemum family. All ThermaCELL models use the same refills. Each cartridge lasts up to 12 hours. The repellent is a synthetic chemical copy of a naturally occurring insecticide