Thermacell Fuel Cartridge Refills 4 Per Pack Repellents White. Use this Fuel-only refill for when you have spare Thermacell Repellent Mats.Features:This 4-pack provides up to 48 hours of use in Thermacell Mosquito Repellers Fuel-only refill repellent mats not included For use in fuel-powered Thermacell Repellers Lanterns and Torches Can be stored for long periods of time Package contains: 4 fuel cartridges each lasting 12 hours Specifications for Thermacell Fuel Cartridge Refills 4 Per Pack Repellents: Manufacturer: ThermaCELL Color: White Weight: 1.64 oz Quantity: 4 Insect Repellent: Yes Package Contents: Thermacell Fuel Cartridge Refills 4 Per Pack Repellents Thermacell Fuel Cartridge Refills 4 Per Pack Repellents White C4