ECO (Transparent Green) - Fine archival The OPUS 88 Koloro Demonstrator

The OPUS 88 Koloro Demonstrator is a dedicated eyedropper pen with a an acrylic body

Simply fit the Ink Converter into your compatible LAMY fountain pen as you would an ink cartridge and twist the top to draw bottled ink into the reservoir

housed in a clear body and all parts are detachable for ease of maintenance

The blue here is inspired by the Series 103 trains that run on this line

Since 1264

ECO (Transparent Green) - Fine archival The OPUS 88 Koloro DemonstratorTWSBI's ECO fountain pen has always been a great choice for beginners and long time users alike due to its affordability and quality. Fitted with a piston fill mechanism, the ECO has a large ink capacity at approximately 1. 7ml.