Releases a range of .5 to 1 gallon of water per foot while delivering water straight to the roots; Uses 70% less water than standard sprinklers with water restrictor that controls water flow System lies directly under soil or much; Delicate foliage and vegetables stay protected from high pressure water Meets both the lead free standard under the Federal Safe Drinking Water Act and California's strict standards for phthalate content; Measures 50' in length and 3/8" diameter To use hook the hose up to watersource and place hose in straight line, weaving when needed; For optimal result, water source should be at highest point as water will not flow correctly up an incline