Four colors Continuous Ink Supply System ink check valve(one way valve), suitable for 1.3-1.5 pipeline.
Type: Ink Refill Kit
Compatible Brand:HP, Canon
Item Type: One Way Valve
Please pay attention to the arrow on valve, it is the direction of the ink flow. Do not make a mistake while installing.
The valve is to make the ink one-way flow inside the pipeline.
1X Set Check Valve(4 colors)
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