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| Refill Cartridge fittings |
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| Model No.︰ | - |
| Brand Name︰ | - |
| Country of Origin︰ | China |
| Unit Price︰ | - |
| Minimum Order︰ | - |
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these colorful rubber seal plug are give free when you order the refillable cartridges.
they are used to seal the ink hole and air hole.
if you donot know how to use them, feel free to contact us!
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