Fluval Foam Filter Block for 404/405/406/407 (2 pcs)

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. Fluval 405 Foam Filter Block
2 pieces per display pack