Brand new in the box unopened The Thermacell Radius Zone Mosquito Repellent is a convenient 4 pack that provides a total of 144 hours of protection against mosquitoes. Each refill pack lasts for 36 hours, making it ideal for outdoor activities like camping and hiking. Made by Thermacell, a trusted brand in insect repellents, this product is designed to keep you safe from pesky mosquito bites while enjoying your adventures in nature. Made in Mexico, this mosquito repellent is a reliable and effective solution for staying protected during your outdoor excursions.