TWSBI VAC700R Vacuum Filler Fountain Pen – "Iris" Rainbow
- Edition: "Iris" Rainbow — Special Edition featuring a unique multi-colored Titanium Finish
- Nib: Exclusive Iris Rainbow — Stainless Steel (Jowo No. 6) with matching Titanium finish plating
- Filling Mechanism: Vacuum Filler — Negative-pressure system fills the barrel in a single stroke (approx. 2.4ml)
- Ink Capacity: Massive — Holds 5x more ink than a standard converter
- Safety Feature: Ink Shut-Off Valve — Seals the ink chamber for leak-free air travel
- Body: Clear Demonstrator — Scratch-resistant resin visualizes ink level and mechanism
- Maintenance: Fully Serviceable — Includes wrench and silicone grease for disassembly
- Dimensions: 147 mm capped, 35g weight — Well-balanced for medium to large hands
- Origin: Made in Taiwan — Precision engineered for durability
About the TWSBI VAC700R Vacuum Filler Fountain Pen – "Iris" Rainbow
The TWSBI VAC700R Vacuum Filler Fountain Pen – "Iris" Rainbow is an engineering marvel designed for writers who demand endurance and reliability. Unlike standard cartridge pens, this model utilizes a sophisticated vacuum filling mechanism that uses negative pressure to fill the entire barrel with ink in a single, satisfying stroke.
What makes this edition truly collectible is the stunning Titanium Finish. TWSBI uses a specialized vacuum coating process to treat the clip, trim, and nib with titanium, creating a mesmerizing rainbow spectrum of blues, purples, and golds. Because of this process, every single pen is unique, with its own distinct color variation.
With a massive ink capacity of approximately 2.4ml, the VAC700R is built for marathon writing sessions without the need to refill. It also features a unique ink shut-off valve; when the knob is fully tightened, it seals the ink reservoir from the feed. This makes the VAC700R one of the few fountain pens truly safe for air travel, as it prevents pressure changes from causing leaks.
True to TWSBI’s philosophy of user empowerment, the pen arrives in a presentation box that includes a wrench and silicone grease, allowing you to fully disassemble and lubricate the mechanism yourself—ensuring your pen lasts a lifetime.