About this item GENIUNE THERMACELL REFILLS FOR RECHARGEABLE REPELLERS: Only Genuine Thermacell refills are scientifically proven to work with Thermacell repellers to repel mosquitoes from a 20FT zone. Compatible with all Thermacell Rechargeable repellers. EASY TO USE: Simply open your Thermacell repeller, place the new cartridge in, and press the on button. Repeller starts heating immediately with max protection in 15 minutes. Just press the button again to turn off, no need to clean up dead bugs afterwards. EFFECTIVE 20FT ZONE TECHNOLOGY: Proprietary formula provides the largest protection zone of all EPA registered mosquito repellents, creating a 20FT zone of mosquito protection. No need to apply sticky DEET sprays or reapply to your yard throughout the season. Scent-free, no smoke, and no flames. PEOPLE AND PET FRIENDLY: Independently tested and EPA reviewed for safety & effectiveness. Repels tough mosquitoes, including those that may transmit EEE, West Nile Virus, Dengue, and Zika Virus. For outdoor use only. 100% SATISFACTION GUARANTEE: At Thermacell, we stand behind the performance and quality of our products. If you are not happy with your purchase, you may return it to us for repair, replacement or refund. Please contact service@thermacell.com. › See more product details