{"product_id":"pilot-namiki-metropolitan-standard-con-40-twist-fountain-pen-converter","title":"Pilot CON 40 Piston Converter","description":"\u003cp\u003eThe Pilot CON 40 Piston Converter offers a simple, reliable way to enjoy bottled fountain pen ink across a wide range of Pilot pens. Its compact, twist-fill design is easy to use and clean, while internal metal agitator balls help keep ink moving for consistent flow.\u003c\/p\u003e\u003ch3\u003eDesign \u0026amp; Function\u003c\/h3\u003e\u003cp\u003eThis twist-operated piston converter draws ink smoothly and securely, with a transparent reservoir that makes it easy to monitor levels at a glance. The internal agitator balls assist with priming and reduce ink cling, supporting steady writing even as the level drops.\u003c\/p\u003e\u003ch3\u003eCompatibility \u0026amp; Care\u003c\/h3\u003e\u003cp\u003eMade for Pilot’s proprietary cartridge and converter system, the CON 40 fits most Pilot and Namiki cartridge\/converter fountain pens, including popular everyday models and many Custom series pens. It is not intended for pens with built-in filling systems, such as vacuum-fill or piston-fill bodies. Rinse with cool water between ink changes to maintain clean, reliable performance.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: Pilot CON 40 piston converter\u003c\/li\u003e\n\u003cli\u003eMechanism: twist piston\u003c\/li\u003e\n\u003cli\u003eInk capacity: approximately 0.4 ml\u003c\/li\u003e\n\u003cli\u003eCompatibility: most Pilot cartridge\/converter fountain pens (e.g., Metropolitan, Prera, Kakuno, Explorer, and many Custom series models)\u003c\/li\u003e\n\u003cli\u003eNot compatible with built-in fillers (e.g., Custom 823 vacuum-fill, Custom Heritage 92 piston-fill)\u003c\/li\u003e\n\u003cli\u003eFilling method: bottled fountain pen ink\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pilot","offers":[{"title":"Default Title","offer_id":12835074244642,"sku":"69810","price":8.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2083\/6627\/products\/s-l1600_53_4bb0b48f-525a-441d-b49d-0793b0c72364.jpg?v=1552583779","url":"https:\/\/www.truphaeinc.mom\/products\/pilot-namiki-metropolitan-standard-con-40-twist-fountain-pen-converter","provider":"Truphae","version":"1.0","type":"link"}