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Title: great filter
Review: After reviewing this product i decided to buy it. I was amazed how fast that emperor 400 cleared up my 30 gallon set upwithin 15 minutes or so my water was very clear. i'm giving it a five star for its performance. in actuality i should take one or two stars away due to missing a bio wheel bearing which i contacted amazon. They said they will contact the supplier and i should get a bio wheel bearing in no time. hopefully by next week im expecting my missing bearing. otherwise great filter with a lot of potential to do many things extra.
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