For the outdoor adventurer who appreciates a mosquito-free environment, the Thermacell Backpacker Mosquito Repeller is a reliable companion. Ideally suited for hikes and camping trips, it efficiently runs on a pressurized, self-sealing isobutane and propane fuel mix, offering up to 90 hours of bug-free comfort on a 4 oz canister. Its scent-free, DEET-free operation ensures a pleasant atmosphere, so you can enjoy the great outdoors without the pesky interruptions of mosquitoes.