Item Type: Ink Tubing_x000D_ Product Material: PP_x000D_ Outer Diameter: Approx. 4mm / 0.16in_x000D_ Inner Diameter: Approx. 3mm / 0.12in_x000D_ Usage Scenarios: Can be used for solvent inks, water based inks, dye inks, pigment inks 1PP Material: Made of excellent PP material, with light weight, good toughness, and strong corrosion resistance. 2Applicable Inks: The ink tubing can be used for solvent ink, water based ink, dye ink and pigment ink, etc. 3Standard Sizes: Outer diameter is 4mm, inner diameter is 3mm, with standard sizes, accurate in connection. 4Applicable Machine: The flexible ink tubing is often used in UV printers and photo machine equipment, with strong practicability. 5Easy Replacement: The ink tube is standard processed and can directly replace the old or broken one.1 x Ink Tubing