Keep pesky mosquitoes away with the Thermacell Patio Shield Mosquito Repeller in Graphite. This refillable device uses EPA-registered technology to repel mosquitoes without the need for sprays or lotions. Its compact size makes it perfect for both indoor and outdoor use. The black color matches any décor and the control method is safe for both humans and pets. This model, PSMO, is a must-have for any outdoor enthusiast or anyone looking to enjoy the outdoors without being bothered by mosquitoes.