2 Meters( 6.6 ft) PTFE Teflon Bowden Tube (4.0mm OD/2.0mm ID)1.75mm Filament for 3D Printer<img src="http://ecx.images-amazon.com/images/I/41o65fZU1AL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31wyrWDS%2BxL.jpg" noproxy>