Keep your Moonman fountain pen flowing smoothly with this high-capacity ink sac, designed specifically for the A1 and A2 models. Featuring a press-type design with a secure plug, this ink sac ensures easy filling and prevents leaks, so you can enjoy uninterrupted writing sessions. Its large 5.5 caliber capacity holds plenty of ink, perfect for long creative bursts, note-taking, or daily writing.
Crafted with quality and precision, this ink sac is a must-have replacement accessory to maintain your pen’s performance and extend its lifespan. Whether you’re a Moonman enthusiast or a casual user, this ink sac is the perfect solution for hassle-free ink refills.
Why It’s Perfect:
Compatible with Moonman A1 & A2 fountain pens
Press-type ink sac with plug for leak-free, easy filling
Large 5.5 caliber capacity means fewer refills and more writing
High-quality materials ensure durability and reliable ink flow
Simple installation to keep your pen ready for every writing task
Keep your Moonman pen at peak performance and enjoy the smooth, elegant writing experience you love—one refill at a time!
