The Thermacell MultiInsect Repellent Refill Kit is designed to extend the performance of compatible fuelpowered Thermacell repellers, delivering effective area protection against mosquitoes, black flies, and noseeums. The system uses heatactivated repellent mats to create a scentfree vapor barrier in the air, providing up to a 15foot zone of protection for mosquitoes and approximately a 10foot zone for smaller biting insects. This EPAregistered formulation is independently tested for safety and effectiveness when used as directed, allowing protection without sprays, lotions, smoke, or open flame.The kit includes five 12hour fuel cartridges and fifteen repellent mats, each providing up to 4 hours of use, offering extended coverage for outdoor activities. Compatible with most Thermacell fuelpowered devices except Backpacker models, the refill system supports continued use in hunting, camping, and general outdoor environments. Designed for convenience and consistent performance, it provides reliable, handsfree insect protection while remaining safe for use around people and pets when operated according to instructions.Compatible with all fuel-powered Thermacell repellers except the Backpacker.