Fisher Space Pen PRESSURIZED REFILLS
Fisher Space Pen’s Sealed Pressurized Ink Cartridge
Performs in temperatures from -30ºF to +250ºF, underwater, in zero gravity, at
any angle–even upside down! The ultimate in dependability! The choice of ski
patrols, search and rescue teams, law enforcement agencies, armed forces, and
everyone who demands reliability in a writing instrument.
ALL Fisher Space Pens use our PR Refill (except the Q4)
SPR and PR Refills are the same refill, the only difference is the packaging.
The S means that the refill comes in a Blister Card, the cardboard backed, clear plastic holder
like most things are in when you purchase them in a retail store. The following image is enlarged to show detail.
The PR refill is the fat one in the middle. The SU refill is the skinny one on the top and bottom. When it arrives
it will be long like the top image shows. It is made this way to fit several different pen barrels. If you need
it to be shorter, just flex it back and forth at the break point and it will separate, leaving you the correct length
refill. The PR and SU refills are NOT INTERCHANGEABLE!

Please note: the
SU refills contain a much smaller amount of ink, they write about
1200 feet depending on your writing style, as compared to our regular PR Refill
which should write more than 12,000 feet depending on style and surface.
ALL PR refills come with a plastic adapter which allows them to be used in Parker Style Pens!
POINT SIZES - Fine contains a .9mm Ball - Medium contains a 1.1mm Ball - Bold contains a 1.3mm Ball
#SPR4 - This is the standard refill used in most Fisher Space Pens.
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#SPR1 - This is the standard refill used in most Fisher Space Pens.
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#SPR1F - This is the standard refill used in most Fisher Space Pens.
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#SPR1B - This is the standard refill used in most Fisher Space Pens.
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#SPR2 - This is the standard refill used in most Fisher Space Pens.
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#SPR2F - This is the standard refill used in most Fisher Space Pens.
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#SPR3 - This is the standard refill used in most Fisher Space Pens.
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#SPR3F - This is the standard refill used in most Fisher Space Pens.
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#SPR4F - This is the standard refill used in most Fisher Space Pens.
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#SPR4B - This is the standard refill used in most Fisher Space Pens.
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#SPR5 - This is the standard refill used in most Fisher Space Pens.
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#SPR6 - This is the standard refill used in most Fisher Space Pens.
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#SPR8 - This is the standard refill used in most Fisher Space Pens.
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#SPR9 - This is the standard refill used in most Fisher Space Pens.
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#SPRSL - This is the standard refill used in most Fisher Space Pens.
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#SU1F - This is a specialized refill used in our Q4 Multi-Action Space Pen.
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#SU2F - This is a specialized refill used in our Q4 Multi-Action Space Pen.
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#SU4F - This is a specialized refill used in our Q4 Multi-Action Space Pen.
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#SC1 - This is a specialized refill used in pens that use Cross type refills.
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#SC1F - This is a specialized refill used in pens that use Cross type refills.
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#SC4 - This is a specialized refill used in pens that use Cross type refills.
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#SC4F - This is a specialized refill used in pens that use Cross type refills.
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