Parker cartridges have a reserve tank at the end. When the main ink tank runs out, tap the top of the cartridge to break open the membrane & release enough ink for another 700 words. Maybe more if you keep it simple! A handy feature to prevent the hurried hunt for another refill.
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Parker Blue Ink Cartridges, 5 pack
- Brand: Parker
- Availability: In Stock
- Ex GST: $12.13