Hagen Fluval 306/406 Bio-Foam

Perfectly fit in my Fluval 305 baskets. The egg-carton shape allows air to help colonize bacteria.

Expensive, but should last a long long time.

These tend to last a long time; they are like sponges and rinse clean under water. I replace when the get too dirty looking or lose their spring back in to shape. They are so cheap here to. I now have two fish tanks that take these filters.

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The product was exactly as expected, fit in the 406 filter exactly as expected, seems to be of the same quality as the one it replaced, and was a bit less expensive from Amazon than from other outlets I checked.

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Granted, you can buy this stuff at the local fabric store for pennies on the dollar compared to what aquarium brands are selling, but this stuff is great quality.

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I use this in 3 of the baskets of my fluval 406. In the 5th backet I use Purigen....My 125 gallon freshwater tank maintains PERFECT water quality at basically $0/month for maintenance...these foam pads can just be rinsed and the purigen recharged...LOVE THEM BOTH!

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