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Chennai Aqua Studio
Aquarium CO₂ G5/8 to W21.8 Cylinder Refill Adapter – Refilling Only
Aquarium CO₂ G5/8 to W21.8 Cylinder Refill Adapter – Refilling Only
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G5/8 to W21.8 CO₂ Refill Adapter – Refilling Only
Product Description
The G5/8 to W21.8 Refill Adapter is a specialised connection accessory designed for compatible CO₂ cylinder-refilling arrangements. It provides an interface between G5/8 and W21.8 connections when the fitting requirements have been verified by a qualified refill service provider.
This adapter is intended strictly for refilling applications. It must not be used to convert a cylinder connection for attaching an aquarium CO₂ regulator.
Key Features
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Refill-Only Design: Intended exclusively for compatible cylinder-refilling applications.
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Dual Connection Specification: Designed around G5/8 and W21.8 connection designations.
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Convenient Accessory: A compact fitting for compatible CO₂ refill equipment.
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Brass Construction: Brass-finish adapter body.
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Specific Application: Suitable only when the refill equipment and cylinder connections have been confirmed compatible.
Product Specifications
| Specification | Details |
|---|---|
| Product Name | G5/8 to W21.8 Refill Adapter |
| Product Type | CO₂ Refill Adapter |
| Connection | G5/8 to W21.8 |
| Material | Brass (confirm exact grade with supplier) |
| Application | CO₂ Cylinder Refilling Only |
| Regulator Compatibility | Not intended for regulator connection |
| Package Includes | 1 × Refill Adapter |
Important Safety Information
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FOR REFILLING ONLY.
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Do not use this adapter to connect a regulator to a CO₂ cylinder.
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Verify thread specifications, connection type and sealing arrangement before use.
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Confirm gas compatibility and pressure ratings with the equipment supplier.
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Use only with a professionally verified and approved refilling setup.
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Do not use PTFE tape or additional seals unless specified by the fitting manufacturer.
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Cylinder refilling must be carried out by a qualified service provider using approved equipment.
Frequently Asked Questions
1. Can I use this adapter to connect my aquarium CO₂ regulator?
No. This product is intended exclusively for compatible cylinder-refilling arrangements.
2. What are the connection specifications?
The adapter is specified for G5/8 and W21.8 connections. Verify the exact thread and sealing specifications before ordering.
3. Is this a complete CO₂ refill kit?
No. This listing includes the adapter only. Refilling equipment, hoses, cylinders and other accessories are not included.
4. Can I use it with every CO₂ cylinder?
No. Compatibility depends on the cylinder valve, thread configuration, sealing arrangement and approved operating specifications.
Important Reminder: This is a REFILL-ONLY adapter, not a regulator converter.
Available at Chennai Aqua Studio – THE NATURE AQUARIUM.
Adapter Only – Cylinder Not Included (Image for Reference Only).
