Fluval FX4 FX5 & FX6 Bio-Foam Pad Pack of 2 Part# A239
Fluval FX Series Bio Foam Pad (Pack of 2 ) Part# A239
Fits FX4, FX5 and FX6
Provides large surface area for mechanical and biological filtration. Screens out large particulates of dirt and debris, creates and maintains a clean and healthy aquatic environment.