Fisher Space Pen’s sealed, pressurized refill cartridge is engineered to perform in the most extreme environments — from -30ºF to +250ºF, underwater, in zero gravity, and at any angle, even upside down. Trusted by professionals worldwide, these refills are the choice of ski patrols, search and rescue teams, law enforcement, and the armed forces for their unmatched reliability. Each cartridge delivers long-lasting performance, writing up to 12,000 feet depending on style and surface — far beyond the average pen. Designed for versatility, every pressurized refill includes a plastic adapter that allows compatibility with most Parker-style pens
