Irrigatia SOL-K12. The Fully Automatic Solar Drip Watering System. For use with rain water butts & tanks, this unique garden watering and irrigation system pumps water up to 5m above the water source to accurately irrigate hanging baskets, greenhouses, raised beds, pots and allotments. It's great for tree and shrub establishment too. Keeps your plants watered when you are on holiday. Can be used during the hosepipe ban, but check with your water supplier.