1 Butane Cartridges 3 Insect Repellent Mats As thousands of repeat customers will tell you, ThermaCELL is unbeatable at repelling mosquitoes, black flies, and no-see-ums. Tests by the US Army have found ThermaCELL to be up to 98% effective within a 15 ft. x 15 ft. area. ThermaCELLRefills work with all ThermaCELL products. The Single Pack Refill comes with 1 butane cartridge and 3 repellent mats, providing up to 12 hours of protection.
Repels up to 98% of mosquitoes and midges. Provides a 15' x 15' 'bug-free-zone'. Upto 12 hours use from one gas refill. Compact, cordless and portable. Odour free. Highly effective alternative to lotions and sprays which must be applied to the skin.
The refill pack contains four butane cartridges and twelve insect repellent mats. Note that all ThermaCELL® models use the same refills, with each cartridge lasting up to 12 hours and each mat lasting up to 4 hours.