TEFLON TUBE: Outside diameter 4mm, inside diameter 2mm; density 2.15-2.20g/cm³.
PC4-M6 FITTINGS: Thread M6/3mm, inner diameter (blue end) 4mm, fit for the tube whose outer diameter is 4mm, the fitting made of premium copper and plastic, sturdy and durable.
PC4-M10 FITTINGS: Thread M10/6mm, inner diameter (black end) 4mm, fit for the tube whose outer diameter is 4mm, the fitting made of stainless steel and plastic, high hardness, anti-corrosion.
COMPATIBILITY: Compatible with all 1.75mm PLA ABS 3D printer.
PREMIUM MATERIAL: The Teflon Tube is made of durable PTFE (Poly Tetra Fluoro Ethylene), with non-toxic and wear resisting.