Spare ink reservoirs for your Lumos pen. These high-quality fibre core reservoirs are designed to provide smooth and reliable ink flow, ensuring a seamless writing experience. Keep spares at hand so you can easily switch between colours without any hassle.

Lumos Pro Duo and Mini Reservoirs:

• Pack of 5
• Size: 6mm x 42mm

Lumos Pro Single Reservoirs:

• Pack of 3
• Size: 6mm x 91mm