Teflon tube size:(ID=inner diameter,OD=outer diameter)

ID1mm OD2mm  = inner diameter 1mm,outer diameter 2mm

ID1.5mm OD2.5mm  = inner diameter 1.5mm,outer diameter 2.5mm

ID2mm OD3mm = inner diameter 2mm,outer diameter 3mm

ID2mm OD4mm = inner diameter 2mm,outer diameter 4mm

ID3mm OD4mm = inner diameter 3mm,outer diameter 4mm

ID3.2mm OD4mm = inner diameter 3.2mm,outer diameter 4mm

ID3mm OD6mm = inner diameter 3mm,outer diameter 6mm

ID4mm OD6mm = inner diameter 4mm,outer diameter 6mm

ID4.35mm OD6.35mm  = inner diameter 4.35mm,outer diameter 6.35mm

ID6mm OD8mm = inner diameter 6mm,outer diameter 8mm

1 M PTFE Tube

Tips: we cut the tube depend on how many meters you order.If you buy 2 lots,you will get 1 single piece of teflon tube with 2 meter,and so on.