A useful companion that makes watering easier, allowing the grower to irrigate the most unreachable pots, what is always a problem. Connect it to a 1200/2500 L water pump and turn the head to set the correct water pressure.
On the other hand, with such pressure, the water is oxygenated in a natural way, thus being healthier for the plants.
It extends up to almost 2 metres; you'll be glad you did yourself the favour and got one!