erofa Hongdian Fountain Pen Ink Cartridges Black 30 Pack 3.4 mm Bore

Name: erofa Hongdian Fountain Pen Ink Cartridges Black 30 Pack 3.4 mm Bore
Brand: erofa
SKU: B083RFB2M8

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Black · Fountain

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erofa Hongdian Fountain Pen Set Ink Cartridges Pink 30 Pack 3.4 mm Bore

Pink · Fountain

erofa Hongdian Fountain Pen Set Ink Cartridges Light Green 30 Pack 3.4mm

Light Green · Brunnen

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About this item

Key Features

Brand: erofa
Product: Fountain pen ink cartridges
Compatiblity: 3.4 mm bore compatible with Hongdian fountain pens
Quantity: Pack of 30 cartridges
Color: Black

Specifications

Cartridge Diameter: 3.4 mm
Ink Color: Black
Package: 30 cartridges per pack
Compatibility Notes: Designed for Hongdian matte black forest fountain pens with 3.4 mm cartridges

Usage Overview

To fill a fountain pen with a cartridge: insert the narrow end into the pen section with sufficient pressure to puncture the seal. The internal don’t require additional priming beyond initial use. After filling, it may take a moment for ink to fully saturate; gently swing the pen to help start ink flow if needed.