Keep pesky insects at bay with the Thermacell Multi-Insect Repellent Refill. This 60-hour refill provides long-lasting protection against mosquitoes, black flies, and other biting insects. Simply insert the refill into your Thermacell repellent device and enjoy a bug-free outdoor experience. Perfect for camping, picnics, barbecues, and any other outdoor activities, this refill ensures you can enjoy the great outdoors without being bothered by insects. Stay protected for hours on end with the Thermacell Multi-Insect Repellent Refill.