

High Quality Blue PTFE Tube OD4mm ID1.9mm for 1.75mm Filament has a low friction lining & 1.9mm inner diameter which enable filament to be feed into the tube smoothly. Most commonly used for Bowden type 3D Printer.
Specifications
Package
1 meter of Blue PTFE Tube OD4mm ID1.9mm for 1.75mm Filament
Data sheet