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Save an extra 20% off your entire order with coupon code: HOLIDAY20
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Code expires 12/13/13
Hydor Koralia 3 Impeller and Hydor Controllable Koralia 3 Impeller replacement part. Over time the magnet around the impellet shaft can get damaged by sand, debris & other particulates. To ensure optimal flow it is important to routinely clean your impeller and replace if the magnet or fan is damaged.