Promote a healthy, deep root system for trees and shrubs by delivering water and nutrients directly to their roots. Eliminates water run-off or evaporation. This sturdy PVC pipe is designed with a 10" ventilated pointed end and an ABS cap for driving into the ground with a slege hammer, if necessary. A 1/4" drip line is positioned in the cap, water runs down the ventilated tube and deep into the ground while filtering rocks and dirt from entering the device. Or, remove cap and fill pipe with a water hose. Powder or granulated nutrients may be poured into stake. As the plant grows, reposition stake. Ideal for sloped areas. Hassle-free, maintenance-free.