Thermacell Mosquito Repellent Perimeter System

TURN IT ON… MOSQUITOES GONE: 2-Pack System creates 30 feet of perimeter mosquito protection (15 ft per repeller), or 450 sq. ft total. Place a repeller every 15 feet for a continuous protection area. Add additional repellers to protect larger areas. EASY TO INSTALL: Install in the ground or on a post. Two pack contains 2 ground stakes, 2 post mounts, 2 mosquito repellers, 4 pole pieces, six 4-hour repellent mats and two 12-hour fuel cartridges. LONG-LASTING DEFENSE: Perimeter System includes repellent mats that turn white when it's time to replace after 4 hours. Repel without on-skin chemicals, flames, or citronella. Not a messy trap or gimmicky sonic. EPA reviewed for safety & effectiveness. NATURE-INSPIRED REPELLENT: The active ingredient is based on naturally occurring repellents found in plants.