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Rena's precisely engineered design minimizes noise and vibrations for extremely quiet operation. They're powerful enough to maintain optimum flow rates under the greatest of depths, even with a clogged airstone. And, Rena's sleek, European, contoured design is available in a wide variety of sizes to suit most tanks.
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(Note: Above chart rated for basic 1" airstone. Different composition, or lager size may require more air.)
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