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Bio Wheel Bearing For All Penguins, Hex 5, System 3 Filters
Reader's Reviews (1)
Works fairly well
posted 7 years ago
I have a Penguin 330 filter on my 55 gallon turtle tank that has two biowheels. The biowheels weren't turning, so I replaced them because they were old anyway. The new ones did not turn either, so I replaced all of the bearings. It still does not spin, so I do not know what the answer is.
2 of 2 people found this review helpful.
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