Fluval U1 Filter Foam Pad, for the Fluval U1 Underwater Filter.  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.

1pc