Gardena Pyramid Sprinkler The Original GARDENA System is the basis for garden irrigation with over 45 years of experience. Everything fits together perfectly and remains watertight. Explore the uniqueness of the Original GARDENA System. A classic style full circle sprinkler for small gardens.With base holes to secure into the ground (if required)Spray diameter up to 8m with an area coverage of max 50 m2. The sturdy base allows the sprinkler to be placed on any flat surface. It gives a circular spray to a maximum radius of 4m.