IMHO do not think you will find this at Lowes or home depot
for 1.75 mm filament you want 2mm id x 4mm od ptfe tubing
https://printedsolid.com/collections/ac … den-tubing
https://folgertech.com/collections/tape … ap-rostock
If these links do not suite you you can google search bowden tube or ptfe tubing.
Any 3d printing specialty store should have it .
PS PLEASE delete your redundant posts. I know you are new and a bit anxious for an answer the tread sometimes take a few seconds to post ad you think it did not go and there is tendancey to hit the submit button once again
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