Applicable Model: Compatible with Roland FH-740 / RA-640 / RE-640 / VS-300 / VS-420 / VS-540 / VS-640 / RF-640 / XF-640 / VS-640I / BN-20.
Package Content: Includes 4pcs printer ink damper for most printer models.
High-density Filters for Longer Use: high density ink capsule filters, high-precision filtration of ink impurities, more effective protection of the printer printhead, extending the use of the printer printhead.
Corrosion-resistant, Pressure-resistant, no Ink Leakage: Each ink damper capsule passes rigorous testing, high precision, anti-aging, pressure resistant, corrosion resistant, long-lasting and durable.