Thermacell Original Mosquito Repellent Refills 60 Hours SPECIFICATIONS BRAND: THERMACELL CA PROP 65: YES SCENT OR REPELLENT TYPE: MOSQUITO REPELLENT DESCRIPTION Original Thermacell Mosquito Repellent Refills effectively repel mosquitoes by creating a scent-free 15-foot zone of protection when used in fuel-powered Thermacell Repellers. Ideal for use while you are camping, hunting, fishing, gardening and around the backyard. Features: Includes 12 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: 15 repellent mats and 5 cartridges Specifications: Active ingredient: D-cis/trans allethrin Assembly Details: No assembly required Batteries: N/A Dimensions: 6.4" x 3" x 1.2" (LxWxH) Hours of Protection Included: 12 Light: N/A Model Number: R1 Rubber Armor: N/A Warranty: 1 Year Satisfaction Guarantee Weight (lb): 0.2 Zone Check: N/A Zone of Protection Size: 15 Feet