Original Refills keep your Patio Shields, Lanterns, Torches, and other fuel-powered Thermacell Repellers fueled for the long haul, no batteries or cords needed. Always be prepared by keeping extra cartridges and mats in your tent, backpack, garage, or tackle box ready when you need it. 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 Our synthetic allethrin formula is inspired by repellent extracts found in plants. Independently tested and EPA-reviewed for safety & effectiveness. People and pet friendly. Backed by the Thermacell Satisfaction Guarantee. See packaging for details. *For Outdoor Use Only Available Sizes: 1 Pack: includes one 12-hour fuel cartridge, and three 4-hour repellent mats 4 Pack: includes four 12-hour fuel cartridges, and twelve 4-hour repellent mats
