Fluval FX5 Filter Foam Block - 3-Pack
Fluval FX5 Aquarium Filter Foam Blocks 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. Fluval FX5 Aquarium Filter Foam Blocks are built for the Fluval FX5 Filter and work to ensure your aquarium stays clear and clean.