Thermacell Repellent Refill Mosquito Up To 120 Hours. Ideal for use while you are camping hunting fishing gardening and around the backyard.Features:Includes 120 hours of mosquito protection refills For use in fuel-powered Thermacell Repellers Lanterns and Torches Each repellent mat lasts up to 4 hours and each fuel cartridge lasts up to 12 hours No spray and no mess. Scent-free and DEET-free. Active ingredient is Allethrin a synthetic version of a naturally occurring repellent found in chrysanthemum flowers Package contains: 30 repellent mats and 10 fuel cartridges Specifications for Thermacell R10 Repellent Refill Mosquito Up To 120 Hours: Manufacturer: ThermaCELL Color: White Weight: 6.3 oz Quantity: 1 Insect Repellent: Yes Active Ingredient: d-cis/trans allethrin Protection Time: 120 hours Caliber: Universal Package Contents: Thermacell R10 Repellent Refill Mosquito Up To 120 Hours Thermacell R10 Repellent Refill Mosquito Up To 120 Hours