This great sound effects pack gives you these distinct sounds of pneumatic door opening and closing (4 included)! They are fast and hissing synthesized sound production elements that will perfectly complement your video games, documentaries, movies, cartoons, animations, 3D renderings, AE templates and you tube contents! Try these exciting sounds today and you won't regret it! Have fun with this one!

4 versions are available in the main download pack!
I wish you many successful project!