DIG G77AS Landscape Drip Watering Kit Use to water roses, shrubs, groundcover, flowerbeds and trees. Ideal for hillsides Complete kit; covers up to 150 sq. ft. (can be easily expanded up to 400 sq. ft.) Contains 24 1-GPH PC button drip emitters with 20 1-GPH, two 2-GPH and two 4-GPH drip emitters Applies water at a very low application rate leading to less surface evaporation from leaves and soil Offers flexibility in irrigation frequency and application rate, minimizing surface compacting and runoff