Product Description The Thermacell Multi-Insect Repellent Refill (MI2) delivers up to 24 hours of powerful, hands-free protection against mosquitoes, black flies, and no-see-ums (gnats). As the first and only EPA-registered area repellent specifically effective against black flies and no-see-ums, this refill pack creates a 15-foot zone of protection against mosquitoes and a 10-foot zone against black flies and no-see-ums. Compatible with all fuel-powered Thermacell repellers (except the Backpacker), this refill is independently tested and EPA-reviewed for safety and effectiveness. The active ingredient, Prallethrin, repels tough mosquitoes including those that may carry Encephalitis, West Nile Virus, and Zika Virus. Best of all, it is completely DEET-free, scent-free, produces no smoke, and no open flames, making it safe and comfortable for people and pets alike. Product Highlights First and only EPA-registered area repellent effective against black flies and no-see-ums, plus mosquitoes Creates a 15-foot protection zone against mosquitoes and a 10-foot zone against black flies and no-see-ums DEET-free formula using Prallethrin; scent-free, smokeless, and flameless for comfortable outdoor use Includes 2 twelve-hour fuel cartridges and 6 four-hour repellent mats for a total of 24 hours of protection Compatible with all fuel-powered Thermacell repellers (except the Backpacker); people and pet friendly Specs Brand: Thermacell MPN: MI2 UPC: 843654008448 Series: Repellent Refills Model: Multi-Insect Active Ingredient: Prallethrin Dispenser Type: Mat / Fuel Cartridges Effective Time: Up to 24 hours Effective Distance: 15 ft (mosquitoes), 10 ft (black flies and no-see-ums) Target Species: Mosquitoes, Black Flies, No-See-Ums (Gnats) Includes: 2 Twelve-Hour Fuel Cartridges and 6 Four-Hour Repellent Mats Compatibility: All fuel-powered Thermacell repellers (except the Backpacker) Width: 3.00 in Length: 6.00 in Height: 1.30 in Weight: 0.20 lbs Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer. ]]>