Good filter. I've never had any problems with filters. They're not expensive, but you should be able to find them online. The classic 2213 is a good system. They're a bit overpriced due to the number of gallons they can effectively clean. When buying a filter, get a larger filter than you need. The Classic proved unable to handle a 55-gallon tank. There is an Eco Pro filter to work with classics. Both do a good job of staying clean. Def. Get a larger size than your tank.
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