Fluval Foam Inserts 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 filter models: FX5.
Convenient 18 pack; (6) 3 pack
Suitable for all media baskets of the FX 5 Filter
Provides mechanical filtration of fine particles
