These Parker Refills are the original Fisher Space Pen refills, only with an adapter to make them fit in your Parker pen. The sealed Pressurized Refills which do not leak, have a shelf life of 100 years, write in a vacuum, upside down, under water and in extreme temperatures, in freezing cold and bitter heat.
Enjoy the benefits of the Fisher pressurized refills. Your Parker pen will never be the same again! With a pressurized refill your pen will work at any angle (even upside down), under any condition and write on any surface (even under water). If you want to read more about the technology of the Fisher pressurized refills you can read our Fisher refill article.
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