The White Board Refill Ink Tubes 3.8g are designed to keep your whiteboard markers performing at their best. Each tube is pre-filled with high-quality, quick-drying ink that delivers bold and consistent writing, ensuring your markers stay ready for smooth use in classrooms, offices, or training environments.Each 3.8g refill tube is lightweight and easy to insert into compatible refillable markers.
Availabe in [green, blue, black and red]