Edding BTK 25 refill ink is a low-odour pigment ink, in a bottle with a capillary system. It's quick and easy to refill whiteboard markers. Simply place the whiteboard marker with the tip down for at least an hour. After that, the whiteboard marker is ready for use.
Edding BTK 25 is suitable for the following Edding whiteboard markers: No. 28, 29, 250, 360, 361 and 363.