Product Overview
The Marina Plastic Check Valve (Non Return Valve) protects aquarium air pumps by preventing water from siphoning back through the airline.
Installed inline with standard aquarium airline tubing, it helps safeguard your air pump during power failures or when disconnecting air-driven equipment.
Suitable For
- Aquarium air pumps
- Air stones
- Sponge filters
- Air-driven ornaments
- Standard aquarium airline tubing
Key Features
- Prevents water back-siphoning into the air pump
- Protects equipment during power failures
- Minimal restriction to airflow
- Durable plastic construction
- Quick inline installation
- Suitable for freshwater and marine aquariums
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For Standard Delivery, please allow 5 working days. If you have not received your order in this time, please contact us so we can investigate. Livestock Delivery: All livestock is sent using 24 Tracked delivery. You will be contacted after purchase to arrange a suitable delivery day. |
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30 Day Returns, simply contact us on help@cdlaquatics.co.uk with details of your reason for return and send your item to our returns centre in it's original condition. This excludes all livestock. Please see our Returns Policy for further details |
Product Overview
The Marina Plastic Check Valve (Non Return Valve) protects aquarium air pumps by preventing water from siphoning back through the airline.
Installed inline with standard aquarium airline tubing, it helps safeguard your air pump during power failures or when disconnecting air-driven equipment.
Suitable For
- Aquarium air pumps
- Air stones
- Sponge filters
- Air-driven ornaments
- Standard aquarium airline tubing
Key Features
- Prevents water back-siphoning into the air pump
- Protects equipment during power failures
- Minimal restriction to airflow
- Durable plastic construction
- Quick inline installation
- Suitable for freshwater and marine aquariums
![]() |
For Standard Delivery, please allow 5 working days. If you have not received your order in this time, please contact us so we can investigate. Livestock Delivery: All livestock is sent using 24 Tracked delivery. You will be contacted after purchase to arrange a suitable delivery day. |
|
![]() |
30 Day Returns, simply contact us on help@cdlaquatics.co.uk with details of your reason for return and send your item to our returns centre in it's original condition. This excludes all livestock. Please see our Returns Policy for further details |



