The thermacell earth scent refill pack will keep hunters 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.

Dispenser Type: Heat Vapor
Type: Refill Mat and Butane
Species: Mosquito, Black Fly, No-See-Ums
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
Heat Type: Butane
Uv Protection: None
Contains: Allethrin
Hazair: Yes