Fisher Space Pen Blue Medium Ink Refill SPR1 - Pressurized Refill For Writing Upside Down Underwater Through Grease

Fisher Space Pen Blue Medium Ink Refill SPR1 is a reliable replacement cartridge designed for Fisher Space Pens. It’s built for professionals who work in harsh conditions and rely on consistent writing performance when it matters most.

• Ink Color: Blue ink for clear, legible notes on paper across lighting conditions.
• Point Size: Medium point delivers smooth, balanced lines suitable for everyday writing and technical details.
• Ink Technology: Pressurized refill maintains steady ink flow at various angles and temperatures, ensuring you can write in more situations.
• Extreme-Condition Performance: Writes upside down, underwater, through grease, and in extreme temperatures for field, lab, and outdoors work.
• Compatibility: Replacement SPR1 cartridge designed for Fisher Space Pens, ensuring a seamless fit and consistent performance.
• Packaging: Hang-pack retail presentation for easy display and quick stocking.

With this blue medium SPR1 refill, you gain a dependable writing solution that works where ordinary pens fail. The pressurized ink keeps writing even when your hands are wet, oily, or when you’re working in chilly or hot environments, making it ideal for technicians, divers, outdoors professionals, and space-related fieldwork. Carry a spare refill for zero downtime on the job, and rely on the familiar, smooth feel of a Fisher Space Pen cartridge that delivers consistent results in any scenario.