Thermacell Insect Appliance Olive Appliance W/1 Tr1 Refill MR-GJ

Powered by a butane cartridge that heats a chemically treated repellent mat creating an invisible, odorless mosquito �cell of protection� anywhere you go. Covers up to 15 ft. diameter (225 sq.ft.). ThermaCELL has 50 more times more of the same chemical repellents contained in mosquito coils. One unit is all you need to be mosquito free for up to 12 hours. Comes with 1 TR1 Refill Kit.