If you want to improve the performance and reliability of your 3D printer, you might want to consider replacing your old PTFE tube with this E3d V5 all metal tube for 1.75mm filament. This tube is designed to handle high temperatures and prevent clogging and jamming of the filament. It is made of durable and corrosion-resistant stainless steel and has a polished inner surface that minimizes friction and ensures a smooth and consistent extrusion. It has a length of 26mm and a diameter of 6mm, and it fits most 3D printers that use M6 threaded nozzles, such as Anet, Creality, Anycubic, etc. It is also compatible with E3d V5 and V6 hotends, which are widely used for 3D printing various materials, such as PLA, ABS, TPU, etc. This E3d V5 all metal tube is easy to install and remove, and it can enhance the print quality and accuracy of your 3D printer. It is also affordable and cost-effective, as it can extend the lifespan of your hotend and reduce the maintenance costs. If you want to upgrade your 3D printer with a simple and effective solution, you should definitely give this E3d V5 all metal tube a try. You will be amazed by the difference it can make.