CT‑402 – adjustable aerator
Adjustable 4 W air pump with two outlets, delivering 2 x 2.8 l/min at 0.016 MPa. Intended for aquarium keepers…
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Find a productProduct description
This SunSun CT-402 is an air pump for aquarium keepers who want to adjust aeration to the needs of their setup. Aeration replaces CO2 in the water with atmospheric oxygen, which supports fish and plants and helps keep the pH stable.
Why it matters
- Stepless power control: the output can be tuned to the required oxygen and CO2 balance in the aquarium.
- Two outlets: the pump delivers air through two outputs at 2 x 2.8 l/min, so one unit can supply two points.
- Titanium alloy shaft: the shaft connecting the electromagnet and the membrane is made of a titanium alloy, which is heat-resistant and lighter than conventional parts.
- Rubber feet and hanger: the soft rubber feet limit vibration transfer to the surface the pump stands on, and the rubber hanger allows it to be mounted instead.
Specifications
- Power consumption: 4 W
- Pressure: 0.016 MPa
- Output: 2 x 2.8 l/min
- Number of outlets: 2
- Dimensions: 17.3 x 8 x 7 cm
- Weight: 0.75 kg
What it works with
The CT-402 is designed for aquarium aeration within the aquatic equipment category. Its two outlets and adjustable output make it suitable for setups where air needs to be distributed or dosed to match the number of inhabitants and the plant load. Pair it with air stones or diffusers that match the outlet fittings.
Technical specification
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Frequently asked questions
It has a power consumption of 4 W. The pump's power draw is listed as 4 W in the technical data.
Yes, the pump has stepless power regulation, so you can set the air output to match your tank's needs. It is rated at 0.016 MPa pressure with a capacity of 2 x 2.8 l/min across its 2 outlets.
The pump has soft rubber feet that the supplier says do not transmit vibrations to the surface underneath. It also comes with a rubber hanger that can be used instead of placing it on a surface.
It has 2 air outlets, each with an output of 2.8 l/min according to the technical data. The total rated output is 2 x 2.8 l/min.
The pump measures 17.3 x 8 x 7 cm and weighs 0.75 kg. Its compact size makes it easy to place inside a cabinet or on a small shelf.
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