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.
7 models
Eheim · Mains
Eheim air
Eheim's air pumps are small, quiet mains units with rubber feet and a hook for hanging on the tank. Each outlet has its own flow control, and the kit comes with airline, check valves and diffusers.
Updated
1.7–6.7 L/min3 models
Will it suit my tank?
litres
Best for
Running sponge filters in shrimp tanks, or adding air overnight on a CO2 planted tank.
Worth knowing
Keep it off during the CO2 photoperiod, since surface agitation from the bubbles will strip out CO2.
What stands out
- Individually adjustable outlets
- Rubber feet to cut vibration hum
- Supplied with airline, check valve and diffuser
- Only 3.5 to 4 W
Models and specs
| Model | Air output | Outlets | Power | Air output |
|---|---|---|---|---|
| air100 | 1.7 L/min | 1 | 3.5 W | 100 L/h |
| air200 | 3.3 L/min | 2 | 3.5 W | 200 L/h (2 x 100) |
| air400 | 6.7 L/min | 2 | 4 W | 400 L/h (2 x 200) |
- Brand
- Eheim
- Airline
- 4 mm
- Max depth
- About 2 m
- Dimensions
- 15 x 9.2 x 7.6 cm
- Water type
- Freshwater and marine
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
Boyu · Mains
S Series Air Pump
- Air output
- 4–12.8 L/min
Budget aeration for one tank, or the S-4000B for a small rack of breeder tanks.
4 models
Boyu · Mains
SC Series Air Pump
- Air output
- 3.2–6 L/min
Small to medium tanks running one or two sponge filters or air stones.
2 models
Boyu · Mains
SE Series Air Pump
- Air output
- 2–7 L/min
Nano to medium tanks where a quiet, low-power pump is the priority.
4 models
Frequently asked questions
Quick answers about the Eheim air, drawn from its specs.
Who is the Eheim air best for?
Running sponge filters in shrimp tanks, or adding air overnight on a CO2 planted tank.
Is there anything to watch out for with the Eheim air?
Keep it off during the CO2 photoperiod, since surface agitation from the bubbles will strip out CO2.
What are the alternatives to the Eheim air?
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.
What sizes does the Eheim air come in?
3 options: air100, air200, air400.