Gardena 8255-U Underground Water Pipeline Starter Set Also required for installation but not included gardena connecting pipe and garden hose Self draining with automatic drain valves protect against frost Convenient water access that is permanently installed underground Set includes 2 water connectors, 1 maxi flow system connection set, 1 connecting point, 2 water connectors, 1 T assembly connector Set also includes 3 standard connectors 1-inches by 3/4-inches female thread and 1 T pc 1-inches by 3/4-inches female thread and 1 drain valve