This is one of the easiest and most effective kits we have installed and its ideal for gardens ranging from 50 m to over 200 m. This system is unique in both the ease and the cost effectiveness. This uses innovative low pressure jets that Pop-Up when watering your lawn and then retract out of harms way when finished. This kit covers 50 square meters and comes with 4 x 180 degree and 1 x 360 degree pop-ups as well as pipe, fittings and connectors.