Boyu · Mains
CJY Series Air Pump
- Air output
- 1–15 L/min
Anyone wanting adjustable aeration, from a nano sponge filter up to a multi-tank air line.

Dophin · Mains
A white, drum-shaped air pump in single (AP1301) and double outlet (AP1302) versions.
Updated
Running one or two sponge filters in small to medium tanks.
The double outlet splits a modest 2 L/min, so two devices each get only about 1 L/min.
| Model | Air output | Outlets | Power | Tank size | Dimensions (L × W × H) | Pressure |
|---|---|---|---|---|---|---|
| AP130155 0091 | 1.6 L/min | 1 | 1.8 W | 40–80 L | 10 × 6 × 7 cm | 0.01 MPa |
| AP130255 0092 | 2 L/min | 2 | 2.5 W | 120–200 L | 13 × 7.5 × 8.5 cm | 0.01 MPa |
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.
Boyu · Mains
Anyone wanting adjustable aeration, from a nano sponge filter up to a multi-tank air line.
Boyu · Mains
Budget aeration for one tank, or the S-4000B for a small rack of breeder tanks.
Boyu · Mains
Small to medium tanks running one or two sponge filters or air stones.
Boyu · Mains
Nano to medium tanks where a quiet, low-power pump is the priority.
Quick answers about the Dophin AP1301 / AP1302 Air Pump, drawn from its specs.
The maker rates it by model: AP1301 up to 80 L, AP1302 up to 200 L.
Running one or two sponge filters in small to medium tanks.
The double outlet splits a modest 2 L/min, so two devices each get only about 1 L/min.
Other air pumps worth comparing: Boyu CJY Series Air Pump, Boyu S Series Air Pump, Boyu SC Series Air Pump. Add any of them to the compare table to see the specs side by side.