Treegator® Slow Release Watering Bags can be installed in just minutes with no tools required, and most new plantings require a watering schedule of one refill every 5 to 7 days. The bag continuously waters a planting over an average time period of 5 to 9 hours and delivers the water deep below the soil surface, encouraging strong root growth. 3 year life expectancy. Brown color 16 mil PVC for low visibility. Size 33 in. Diam. 6 in. H when full. Fits up to 4 in. Diameter trees. Drip times are from 5-8 hours.