# Maximize Mosquito Protection with Thermacell Fuel Cartridge Refill The Thermacell Cartridge Refill effectively repels mosquitoes by creating a 15-foot zone of protection when used with Thermacell devices and Thermacell Repellent Mats. Use this Fuel-only refill for when you have spare Thermacell Repellent Mats. Thermacell fuel-powered devices don't require cords or batteries. Powered by a safe, compact fuel cartridge. Emits dirt-scented repellent that drives away mosquitoes. ----------- ## Product Specifications - Refill / Cartridge Type: Fuel - Weight: (4) Butane Fuel Cartridge 4.0 ounces