Hagen Fluval U4 Filter Foam Pad 2pk #A-488

Fluval U4 Foam Pads capture large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process.

Features:

• Pads have a pore size that allows efficient water flow with less clogging for long-lasting filtration
• Custom fit to prevent bypass
• For use with Fluval U4 Underwater Filters
• For freshwater, marine or reptile environments