Netafim Spray Stake?s simple one-piece construction provides reliable long life performance. They are highly resistant to sunlight, fertilizers and chemicals. Installation is very simple and the Netafim micro tubing fits securely to the top of the spray stake. These stakes are simple and easy to clean. Each spray stake has a built-in spray direction indicator on one side of the stake. Quickly see or feel the spray direction to speed and simplify installation without having to return and make adjustments.