PP Material: Made of excellent PP material, with strong resistance, can be used for a long time. Main Function: Increase the capacity of the filter, protect the print head from clogging, and make the ink smooth. Standard Size: Standard design, suitable for 4mm x 3mm ink tube, can directly replace the old or broken. Applicable Ink: The ink damper can be used for solvent ink, water based ink, dye ink, pigment ink, etc. Easy Installation: The ink damper is small and compact, easy to install and replace, suitable for XP600 printers.