Air Pump Airline Hose Straight Joiner - 8mm - 2 Pack
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www.pond-planet.co.ukKockney Koi 8Mm Airline Connector - Straight Joiner (2Pk)
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Product Information
Full details
The Kockney Koi 8mm Straight Joiners are essential for aquarium and pond enthusiasts looking to extend or repair their aeration systems. These connectors are ideal for hobbyists needing to link standard 8mm airline tubing to reach air stones or diffusers located further away from the pump. While these joiners provide a secure connection, users must ensure the tubing is pushed firmly onto the barb to prevent potential air leaks in high-pressure setups.
All features
| Model Part Number | 000476 |
|---|---|
| Brand | Kockney Koi |
Extended Product Information
FAQs
Are these joiners compatible with silicone tubing?
Yes, they are compatible with standard 8mm silicone or vinyl airline tubing.
Can I use these for water lines?
These are designed specifically for air systems. We do not recommend using them for pressurized water applications.
Do I need glue or clamps to keep them in place?
No, the barbed design creates a friction fit that is typically sufficient for standard air pump pressure.
What is the outer diameter of the joiner?
The joiner is sized to fit snugly inside standard 8mm internal diameter airline tubing.
How many joiners come in a pack?
Each pack contains 2 straight joiners.
Troubleshooting
Air is leaking at the connection point
Ensure the tubing is pushed fully past both barbs on the joiner and check that the tubing is not cracked at the insertion point.
Tubing is difficult to slide onto the joiner
Soften the tip of the tubing in warm (not boiling) water for 30 seconds to make it more pliable.
Pros and Cons
Pros
- Durable plastic material withstands long-term immersion
- Provides a secure and airtight connection for aeration lines
- Easy to install without the need for specialized tools
- Perfect for extending shorter airline sections
Cons
- Limited to 8mm tubing size
- Requires manual dexterity to push firm tubing over barbs
- Does not include integrated check valves
Setup, Compatibility & Care
To install, ensure the cut end of your 8mm airline tubing is clean and square. Firmly push the tube over the barbed end of the joiner until it sits securely past the second ridge. For particularly stiff tubing, you may soften the end by briefly dipping it in warm water. These joiners are compatible with all standard 8mm airline tubing found in aquatic hobby shops. To maintain the system, inspect connections every few months during routine pond maintenance to ensure the hose has not cracked or loosened due to weather exposure or algae buildup.