J HERBIN Transparent Fountain Pen With Pump M (C22000T) / ปากกาหมึกซึมแบบใสพร้อมปั๊ม (M) แบรนด์ HERBIN

J HERBIN - Pump-action fountain pen, Transparent Medium nib. This pen has a pump that is filled directly into the ink bottle. Like a cartridge, it fits into the barrel of the pen. Compatible with universal format cartridges. Transparent pen body to monitor ink flow. Ideal for testing or using Jacques Herbin inks!