• The impact of the sun's rays , alkaline waters , fine acid-resistant , made from high-quality raw materials , long-lasting body and has a robust stainless steel spring mechanism . • Water hammer pin dynamic , powerful, creates good droplets. • 2-10 bar . It works on water pressure. • Ability to work in 30º - 360º adjustable angle feature • prevents the beating of soil and plant leaves. • No high uniformity is ponding water . • 1½ " has an internally threaded connection feature.