Bathroom Hanger Shower Curtain Pipe 123-200cm It can be used in all sizes between 123-200cm with its adjustable spring system feature. No mounting tools or screws are required to install the product. There are 12 plastic curtain rings on the pipe. Installation: You can adjust it to the length you want by means of the spring between the interlocking pipes and fix it between two walls. If it is opened more than necessary, it is sufficient to completely remove the two pipes from each other and pass them through the other pipe again.