Flow rate adjustable from 1 to 8 h. Pressure regulator constant flow, independent of pressure For punctually watering single plants or long rows of plants with different water requirements. Drip with labyrinth membrane Very precise, the membrane ensures a constant water flow regardless of the pressure, even on sloping ground - Automatic closing of the membrane at the end of the cycle, preventing any limescale deposit - Self-cleaning, maintenance free. Blister of 5 drippers.