How often has your outdoor time been interrupted by pesky mosquitoes? The annoyance of insect bites can be enough to cause the most passionate outdoor lover to reconsider heading outside. Thermacell keeps mosquitoes away without spray and offers a trusted and highly effective solution, coming with a 100% user satisfaction guarantee. With an innovative repellent technology that provides an invisible, scent-free 15-foot by 15-foot zone of mosquito defense, users can venture into the great outdoors without the dread of mosquito bites. Thermacell Mosquito Repellent Refills, containing 3 repellent mats and 1 fuel cartridge, provide 12 total hours of protection - a full day's worth of spray-free, scent-free and DEET-free bug protection evaluated by the EPA for safety and effectiveness. Whether paddling a canoe, hiking, camping or simply gathering the family for a backyard BBQ, say goodbye to irritating mosquitoes with Thermacell. Turn it on.. Mosquitoes Gone. Color: White.