Thorough water penetration to the roots with NO RUN OFF. Add Bio-Plex to your drip ring to boost survival rates! These tree rings offer targeted delivery, much more effective than sprinklers. Deep soil penetration facilitates 90% moisture absorption. Use season after season - HDPE/UV treated for a life expectancy of 3-10 years. Black.10 gallons, 2-3 hour drip time. Max tree diameter 4", height 8". Wt 3 lb.
