Product Description With the GARDENA Inline Drip Head as part of the GARDENA Micro-Drip-System plant rows with similar water requirements, e.g. balcony plants, can be irrigated. The Inline Drip Head provides approx. 2 litres per hour. The patented "Quick & Easy" connection technology ensures especially easy installation to a 4.6 mm (3/16") Supply Pipe. Ten drip heads, one cleaning needle, and one cap are included. The included cleaning needle serves to easily clean a dirty drip head.