The RootWise 360 Precision Watering Pad delivers water precisely where plants need it most. Using patented Root Zone Technology, it targets water to the plant's root zone, giving the plant the hydration it needs to grow and thrive. Here's how it works. The unique pad surrounds the base of the plant for 360 root zone coverage. The durable watering mat reduces evaporation so water isn't wasted.Find the PRECISION WATRNG PAD 16 at Ace.