4 x Compatible Fluval U2 Foams

You are buying a pack of 4 compatible filter foam pads to fit the Fluval U2 internal filter.

These pads are made from exactly the same material as the Fluval originals, just offering a massive saving.

The sponges contain the biological cultures, for purifying your water, whilst also mechanically filtering the water by removing particulate waste.

Size (mm): 127 x 57 x 13