Zen-O® & Zen-O Lite™ Cannula Barb Wrench – RS-00544
Ensure proper installation and removal of cannula barb filters with the Zen-O® and Zen-O Lite™ Cannula Barb Wrench (RS-00544). This genuine service tool is specifically designed to fit the cannula barb connection, allowing for secure tightening and easy removal without damaging the oxygen outlet.
Purpose & Use
The cannula barb wrench provides the correct fit and leverage needed to safely service the cannula barb and filter assembly. Using the proper tool helps prevent cross-threading, over-tightening, and damage to your oxygen concentrator.
Key Features
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Genuine Zen-O® service accessory
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Part Number: RS-00544
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Designed for a precise fit on cannula barb connections
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Helps ensure proper torque and secure installation
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Reduces risk of damage to oxygen outlet components
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Durable construction for repeated use
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Simple, tool-free operation beyond the wrench itself
Compatibility
✔ Zen-O® Portable Oxygen Concentrator
✔ Zen-O Lite™ Portable Oxygen Concentrator
(Not compatible with other oxygen concentrator models)
What’s Included
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(1) Zen-O® / Zen-O Lite™ Cannula Barb Wrench – RS-00544
The right tool for the job.
Use the cannula barb wrench to service filters safely and correctly while protecting your Zen-O® or Zen-O Lite™ oxygen concentrator.

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