Fluval 1 Series Foam Filter Block
Fluval 1 Series Foam Filter Block 2 Pack 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, 107