Fluval FX5/FX6 Replacement Foam Aquarium Filters - 3 Pack

Fluval Foam Inserts capture large particles 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.

Suitable for the Fluval FX5 and FX6