Thermacell Backpacker Mat-Only Refills effectively repel mosquitoes by creating a 15-foot zone of protection when used with the Thermacell Backpacker Mosquito Repeller. This Refill does not include fuel cartridges. Includes 48 hours of mosquito protection refills Mat-only refill for use in the Thermacell Backpacker Mosquito Repeller 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: 12 repellent mats lasting 4 hours each Active ingredient D-cis/trans allethrin Assembly Details No assembly required Batteries N/A Dimensions 5.25" x 4.25" x 1.75" (LxWxH) Hours of Protection Included 24 Light N/A Model Number M24 Rubber Armor N/A Weight (lb). 0.2 Zone Check. N/A Zone of Protection Size. 15 Feet
