Dophin · Mains
AP1301 / AP1302 Air Pump
- Air output
- 1.6–2 L/min
- Tank size
- 40–200 L
Running one or two sponge filters in small to medium tanks.
2 models
Boyu · Mains
Boyu U Series Air Pump
Tiny, low-power air pumps for nano tanks, sponge filters and air stones. The U-9900 is a twin-outlet version in the same small body.
Updated
2–6.4 L/min3 models
Will it suit my tank?
litres
Best for
Nano and small tanks running a sponge filter or a single air stone.
Worth knowing
Low pressure (0.009 to 0.012 MPa) limits it to shallow tanks and short air lines.
What stands out
- 2 to 4 L/min, or 2 x 3.2 L/min on the U-9900
- 1.2 to 3.5 W
- Very small footprint
- Offered in 230, 115 or 12 V versions
Models and specs
| Model | Air output | Outlets | Power | Dimensions (L × W × H) | Pressure | Output |
|---|---|---|---|---|---|---|
| U-2800 | 2 L/min | 1 | 1.2 W | 7 × 4 × 3.6 cm | 0.009 MPa | – |
| U-3600 | 4 L/min | 1 | 2.5 W | 10 × 5.5 × 5.2 cm | 0.012 MPa | – |
| U-9900 | 6.4 L/min | 2 | 3.5 W | 7 × 4 × 3.6 cm | 0.012 MPa | 2 x 3.2 L/min |
- Brand
- Boyu
- Voltage
- AC 230/115 V or 12 V versions
Figures from the maker's published specifications. Makers revise products, so check the current figures before buying. Photos supplied by the brand or its distributor.
Compare with
Browse all air pumps
Dophin · Mains
AP1500 Air Pump
- Air output
- 0.6 L/min
- Tank size
- 30–60 L
A single small sponge filter or air stone in a nano tank.
1 model
Dophin · Mains
AP1501 / AP1502 Air Pump
- Air output
- 1.6–2 L/min
- Tank size
- 40–200 L
A sponge filter in a shrimp tank where you want to turn the bubbles down.
2 models
Dophin · Mains
AP2500 Air Pump
- Air output
- 0.8 L/min
- Tank size
- 30–60 L
Running a sponge filter in a shrimp or nano tank.
1 model
Frequently asked questions
Quick answers about the Boyu U Series Air Pump, drawn from its specs.
Who is the Boyu U Series Air Pump best for?
Nano and small tanks running a sponge filter or a single air stone.
Is there anything to watch out for with the Boyu U Series Air Pump?
Low pressure (0.009 to 0.012 MPa) limits it to shallow tanks and short air lines.
What are the alternatives to the Boyu U Series Air Pump?
Other air pumps worth comparing: Dophin AP1301 / AP1302 Air Pump, Dophin AP1500 Air Pump, Dophin AP1501 / AP1502 Air Pump. Add any of them to the compare table to see the specs side by side.
What sizes does the Boyu U Series Air Pump come in?
3 options: U-2800, U-3600, U-9900.