... as a low-pressure, low-volume watering system that delivers water to farmlands in a variety of methods, including dripping, ... flow channel filtration, filtration narrow outlet to ensure even water, not blocked.4. Emitters CV value of less than ... IRSTEA professional testing ,widely used in famous irrigation manufacturers5.Water-saving,Fertilizer-saving,Labor-saving,Energy-saving.6. Pest-reducing through ...