Proven to work and easy to use, this plant-powered refill kit is what to reach for when mosquitoes are bugging you. Includes a convenient, ready-to-use spray for yard, garden, and patio, plus your choice of a 16 oz concentrate good for up to 2 refills, 32 oz concentrate good for up to 4 refills, or 128 oz concentrate good for up to 16 ref