Fluval Foam Filter Block for 404/405/406, 2 pieces

Fluval Foams capture large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process. Custom fit to prevent bypass, they have a pore size that allows efficient water flow with less clogging for long-lasting filtration. These inserts also enhance biological filtration.

For freshwater and marine environments.

For Fluval filter models: 404, 405, 406.

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