Check the listing for details. Bowden / PTFE Tube 4mm OD 2mm ID. Condition: New. Listed at 2.50 USD. Bowden / PTFE Tube 4mm OD 2mm ID This is your normal, everyone needs and therefore everyone should have it PTFE tube. Will work for 1.75mm filaments and 4mm couplers. Order these by the meter (e.g. quantity 2 = 2 meters) I can cut these however you wish though, so if you want special cuts of your tube please place a note when checking out. Due to the way we pull PTFE if you order a quantity greater than 5 meters we may cut it into multiple pieces (e.g. if you order 9 meters we will cut a 5 meter and a 4 meter). Note - Transparent PTFE is FEP, and high-temp transparent is PFA (260C) This is your normal, everyone needs and therefore everyone should have it PTFE tube. Will work for 1.75mm filaments and 4mm couplers. Order these by the meter (e.g. quantity 2 = 2 meters) I can cut these however you wish though, so if you want special cuts of your tube please place a note when checking out. Due to the way we pull PTFE if you order a quantity greater than 5 meters we may cut it into multiple pieces (e.g. if you order 9 meters we will cut a 5 meter and a 4 meter). Note - Transparent PTFE is FEP, and high-temp transparent is PFA (260C)eBay integration by