The pressure sprayer is made of very resistant plastic material. But you can properly build pressure, which allows you to spray also long. Because does not need new pumps every 10 seconds one. The tip for spraying is made of metal, ranging from normal jet to very very fine mist. The pressure relief valve also functions. But since you have already properly pump until the pressure in the bottle can no longer be held. You can lock the lever also, so you do not have to continuously push the lever. For me, nothing is running out. The bottle is completely sealed. Have had the bottle with a wide variety of temperatures in use and everything works fine. And it's even a bottle that's perfect for me in terms of size. It does not take so much space. Since I was a small bottle not as often need me to be important. I fill a couple of times rather often on than to have so standing around a giant canister.
