Thermacell Fuel Cartridge Refills 4/ct SPECIFICATIONS BRAND: THERMACELL CA PROP 65: YES PACKAGE QUANTITY: 4 SCENT OR REPELLENT TYPE: MOSQUITO REPELLENT DESCRIPTION The Thermacell Cartridge Refill effectively repels mosquitoes by creating a 15-foot zone of protection when used with Thermacell devices and Thermacell Repellent Mats. 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