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 CJY Series Air Pump
A rounded, modern-looking air pump range with a stepless electronic output control and an internal baffle to quieten the pulse. Seven sizes run from 1 to 15 L/min.
Updated
1–15 L/min7 models
Will it suit my tank?
litres
Best for
Anyone wanting adjustable aeration, from a nano sponge filter up to a multi-tank air line.
What stands out
- 1 to 15 L/min across seven sizes
- Electronic stepless output adjustment
- Internal labyrinth baffle for quieter running
- Low power, 1.7 to 12 W
Models and specs
| Model | Air output | Power | Dimensions (L × W × H) | Pressure |
|---|---|---|---|---|
| CJY-1000 | 1 L/min | 1.7 W | 10.7 × 6.5 × 6.4 cm | 0.012 MPa |
| CJY-1500 | 1.5 L/min | 2.2 W | 12.1 × 7.4 × 7 cm | 0.012 MPa |
| CJY-2000 | 2 L/min | 2.7 W | 15.6 × 8.3 × 7.8 cm | 0.015 MPa |
| CJY-3500 | 3.5 L/min | 3.3 W | 17.1 × 9.1 × 8.5 cm | 0.015 MPa |
| CJY-4500 | 4.5 L/min | 4.8 W | 17 × 10.4 × 9.6 cm | 0.015 MPa |
| CJY-7500 | 7.5 L/min | 6 W | 20.8 × 11.6 × 10.5 cm | 0.015 MPa |
| CJY-15000 | 15 L/min | 12 W | 25.9 × 17.3 × 13.2 cm | 0.015 MPa |
- Brand
- Boyu
- Voltage
- AC 230/115 V, 50/60 Hz
- Control
- Stepless electronic
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 CJY Series Air Pump, drawn from its specs.
Who is the Boyu CJY Series Air Pump best for?
Anyone wanting adjustable aeration, from a nano sponge filter up to a multi-tank air line.
What are the alternatives to the Boyu CJY 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 CJY Series Air Pump come in?
7 options: CJY-1000, CJY-1500, CJY-2000, CJY-3500, CJY-4500, CJY-7500, CJY-15000.
How do I compare the Boyu CJY Series Air Pump with similar products?
Tap Compare on this page and on any other air pump you are considering, then open the compare table. It lines up every published spec side by side and lets you pick the size of each product.