The Thermacell Earth Scent refill pack will keep hunter's mosquito-free with Earth Scent cover for hours in a 15x15 ft. comfort zone. Repellent mats with Earth scent emit allethrin and the smell of musky dirt and decaying leaves to repel mosquitoes and mask human odors. Each mat is effective for up to four hours. Each butane cartridge will operate the unit for up to 12 hours.
Specifications:

Type	Refill Mat and Butane
Species	Mosquito, Black Fly, No-See-Ums
Volume
Quantity	4 Fuel Cartridges/12 Mats
Effective Time	Up to 48 hrs
Scent Type	Repellent
Effective Distance	15 ft
Wick Capacity	4 hrs per Mat
Material
Dispenser Type	Heat Vapor
Heat Type	Butane
UV Protection	None
Contains	Allethrin
Color