{"product_id":"custom-823-transparent-fountain-pen","title":"Custom 823 Transparent Special Edition Fountain Pen","description":"\u003cp\u003e\u003cstrong\u003ePilot Custom 823 Demonstrator\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Pilot Custom 823 stands out with its distinctive vacuum filling system.\u003cbr\u003eIt comes in two transparent color options: Demonstrator Brown and Dark Grey.\u003cbr\u003eThe pump mechanism, shown above at half-stroke, generates a vacuum on the downstroke, which releases as the piston moves past a broader section of the barrel near the grip, allowing ink to be drawn into the chamber.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the ink supply can be sealed by tightening the plunger. To enable writing, simply twist the end cap about 2mm to open the ink flow.\u003c\/p\u003e","brand":"Pilot","offers":[{"title":"Fne","offer_id":51469568573780,"sku":"PT-110.017.23F","price":355.0,"currency_code":"CHF","in_stock":false},{"title":"Medium","offer_id":51169843675476,"sku":"PT-110.017.23M","price":355.0,"currency_code":"CHF","in_stock":false},{"title":"Broad","offer_id":51469568606548,"sku":"PT-110.017.23B","price":355.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/5177\/7620\/files\/31_98922a99-4e0e-4c73-9a79-4ec9c4d8682f.jpg?v=1736937256","url":"https:\/\/writingculture.com\/products\/custom-823-transparent-fountain-pen","provider":"Writing Culture","version":"1.0","type":"link"}