Ink refill cartridge for MW50M blue MWR1-C Pentel, compatible ink cartridge wk 3150059

Ink refill cartridge for MW50M blue MWR1-C is a replacement liquid ink supply compatible with MW50M-style marker systems. It restores the marker's writing performance without requiring a full marker replacement, providing blue ink suitable for standard writing, labeling and everyday office or school tasks. The cartridge is designed to fit MW50M-compatible marker housings that accept MWR1-C refill type and offers a convenient way to extend the service life of existing markers.

Advantages

This ink refill cartridge provides a straightforward and cost-effective way to replenish blue ink in MW50M-compatible markers. It maintains consistent ink flow and color tone appropriate for general-purpose marking and writing. By replacing only the ink cartridge, waste is reduced compared with replacing complete markers, and users retain the familiar marker body and tip. The cartridge is suitable for repeated replacement cycles where compatible marker systems are used.

Suitable for

• Everyday writing and note-taking in offices and schools
• Labeling files, folders and storage containers
• Refilling MW50M-compatible blue markers for routine use
• Tasks that require a reliable, standard blue ink supply

Key specifications

• Color: Blue
• Type: Liquid ink refill cartridge for MW50M-compatible markers
• Compatibility: Designed for markers accepting MWR1-C style refills (MW50M form factor)
• Intended use: Writing, marking and labeling on paper and similar porous surfaces
• Packaging: Single refill cartridge (check product listing for included quantity)

How to use

To replace the ink, remove the old cartridge from the MW50M-compatible marker housing according to the marker manufacturer's instructions, and insert the MWR1-C refill cartridge until it seats securely. Allow a short period for the ink to saturate the marker tip if needed, then test on scrap paper to ensure consistent flow and color. If the marker still shows irregular ink delivery, reseat the cartridge or repeat insertion to ensure proper contact.

Usage recommendations

Store spare cartridges in a cool, dry place away from direct sunlight and extreme temperatures. Use within the recommended period indicated by the retailer to maintain best performance. When replacing cartridges, handle the marker tip carefully to avoid damage and ensure even ink distribution.