Fluval U4 Foam Pad captures large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process. It is custom-made to fit perfectly inside the filter chamber to prevent debris bypass.
The foam pad has a pore size that allows efficient water flow, less clogging and long-lasting filtration. Suitable for freshwater, marine or reptile environments.
Key Features :

For Fluval U4 Underwater Filter
Captures large particles and debris for effective mechanical filtration
Custom-made to fit perfectly inside the filter chamber to prevent debris bypass
Has a pore size that allows efficient water flow, less clogging and long-lasting filtration
Suitable for freshwater, marine or reptile environments
Includes 2 foam pads,