Fluval Foam Filter Block; Available in 4 sizes

Fluval Foam captures large particles and debris for effective mechanical filtration, which is the crucial first stage in the filtration process. Custom fit to prevent debris bypass, the foam has a pore size that allows efficient water flow with less clogging for long-lasting filtration. The foam also enhances biological filtration. All have 2 pieces except FX5/FX6 foam has 3 pieces.

Key Features :

• Captures large particles and debris for effective mechanical filtration
• Performs key role in first stage in the filtration process
• Custom fit to prevent debris bypass
• Ideal pore size allows efficient water flow with less clogging for long-lasting filtration
• Also enhances biological filtration
• For freshwater and marine environments
• Available in 4 sizes