The GARDENA OS 90 Oscillating Sprinkler can be positioned higher with the GARDENA 20cm Extension Pipe. The Extension Pipe is mounted between the sprinkler head and foot. This allows convenient irrigation of taller plants from above. The GARDENA OS 90 Oscillating Sprinkler can irrigate square and rectangular areas as part of the GARDENA Micro-Drip-System and is excellently suited for kitchen and ornamental gardens. The extension pipe is easy to install; Simply connect and increase the height of the OS 90 Oscillating Sprinkler. Finished. Contents 200mm MICRO DRIP Extension Pipe for OS 90 Sprinkler (x2).