When the pipe passes through the wall, it leaves an unsightly surface. A masked collar.. Plastic made of polymer with high toughness. Don't worry about the tube collar breaking in the installation. The shape of the ring after installation is not deformed.. Installation is very simple, no need to drain or disconnect the pipe, it only takes a few seconds to cover the ugly surface.. There are many sizes to choose from. The title is the size of the inner diameter (for the diameter of the pipe) and the size chosen is. According to your pipeline. Available in black and white, depending on your wall..
