... Teflon tubing, Material: pure PTFE from Daikin or Dupont, Specification: 0.5~30mm, Colour: white, red, blue Product name: Teflon tubingMaterial: pure PTFE ... from Daikin or DupontSpecification: 0.5~30mmColour: white, red, blue, green, black ectPTFE teflon tubing' ... Insulation Properties The specification and permissible tolerance of PTFE (Teflon) Tubes'SFG-1:ID≤4mm,SFG-2≥ ...