The Thermacell Mosquito Repellent Refill (MR000-12) is a new product designed to provide fast shipping within the USA. This refill is specifically formulated to repel mosquitoes for up to 12 hours, making it ideal for outdoor activities such as camping and hiking. The product is EPA registered and has a focus on using natural, insect-repellent essential oils as its active ingredient. With its convenient refill packaging, this Thermacell product is a reliable solution for keeping mosquitoes at bay during your outdoor adventures.