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The EHEIM CO2 Diffuser is a small, ver efficient unit for the effective supply of CO2 gass into the aqaurium water. The unit is very compact and with its height of only 4 cm also suitable for small aquariums. The diffuser is equipped with a ceramic disc and a non-return valve. In the sight glass, the number of bubbles can be determined. Suitable for aquariums up to 400 liters.
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