Fluval Foam Filter Block for 104/105/106

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: 104, 105 & 106.