Sera Air 275 R Plus Aquarium Air Pump & Accessories
The Sera Air 275 R Plus aquarium air pump is ideal for small to medium-sized aquariums and features an electronically adjustable output.
The Sera Air Plus range is designed for oxygenating aquariums using an airstone, as well as powering air-driven filters or decorative air elements. The pumps operate quietly due to vibration-absorbing rubber feet. They are energy efficient and built for long-term reliability, offering both performance and cost-effective operation over time.
Features include a modern module system that allows for easy and convenient membrane replacement.
| Specification | Detail |
|---|---|
| Output Adjustment | Electronically adjustable |
| Operating Noise | Quiet operation with rubber feet |
| Energy Efficiency | Highly energy efficient |
| Membrane Replacement | Easy module-based replacement |
| Best For | Small to medium aquariums |
FAQ
Can the output of the air pump be adjusted?
Yes, the output can be electronically adjusted to suit different aquarium needs.
Is the pump quiet during operation?
Yes, the pump operates quietly thanks to its vibration-absorbing rubber feet.
How easy is it to replace the membrane?
The membrane replacement is simple and convenient due to the modern module system.

Christian Hodges –
The pump works well in my 20-gallon tank. The airflow is consistent and the noise level is very low. I appreciate the easy membrane replacement—just took me 5 minutes to swap it out.
Tim White –
It’s quiet and reliable. I use it with an airstone to keep my fish active. The adjustable output helps me fine-tune the aeration depending on water conditions.
Sonia Bond –
Great value for the performance. Runs smoothly without any vibration. The module design makes maintenance simple and I haven’t had any issues after six months of use.