One tubing in my extruder was damaged. Ordered new but it is too large od. Original was 3rd external. Any suggestions on where to order more?

Stupid auto correct PTFE and 3 mm.

Strange The PTFE is 3 mm outside.

Can’t you make It smaller on the outside with a cutting knife to fit.

Amazon:

3 mm ID, 2 mm ID , 3 mm ID

We do 3D printing on ebay 3D Printer PTFE Tube for 1.75mm Filament - 2mm Inner 4mm Outer Teflon Tubing | eBay