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Enhances biological filtration
Effectively captures small particles and debris
For Freshwater and marine environments
Traps small particles that are not retained by the first stage of foam filtration
12 bio-foam pads made for the Fluval FX4, FX5 and FX6 filtration systems. These bio foam pads provide outstanding mechanical and biological filtration thanks to an intricate pore structure that offers a large surface area. In addition, they trap small particles that are not retained by the first stage of foam filtration.