Fluval Foam Filter Block for the 104/105/106 captures 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
- Contains 2 Foam Blocks