Fluval U3 Bio-Foam Pad Specifically designed for the Fluval U3 filter, the U3 Bio-Foam Pad captures large particles and debris for effective mechanical filtration.

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 Benefits

• Mechanical filter media
• Fits perfectly inside the filter chamber to prevent debris from escaping
• Ideal pore size allows efficient water flow, less clogging, and long-lasting filtration
• Suitable for freshwater, saltwater, or reptile environments
• Convenient 2-pack format