GARDENA 8321-U Inline Small Area Spray Nozzle - Micro Drip System Micro-Drip-System-a water-conserving method to deliver a targeted amount of water via drip heads directly to the plant Watering is perfectly adapted to the individual needs of your plants: From continuous drops to a slight drizzle, to a gentle mist spray - this advanced irrigation system will help you to conserve water With the Micro-Drip-System drip irrigation, the water quantity per plant can be exactly dosed, so that no water is wasted Accurate, metered irrigation with reduced water consumption.