The Fluval Foam Pad captures large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process.

Custom-sized, it fits 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.

Includes 2 foam pads.For the Fluval U3 Underwater Filter.