The ThermaCELL MR-G Silent Portable Mosquito & Black Fly Repellent is a green butane-powered repellent appliance designed for outdoor use. This portable device is EPA registered and features a silent operation, making it ideal for camping, hiking, and other outdoor activities. Its innovative design repels black flies and mosquitoes effectively, providing a convenient and effective way to keep pesky insects at bay while enjoying the great outdoors. Constructed with durable plastic material, the ThermaCELL MR-G is a reliable and user-friendly solution for pest control in outdoor environments.