12 Bio-Foam Pads for Fluval FX4, FX5, FX6 Filters by Zanyzap

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Feature

Enhances biological filtration
Effectively captures small particles and debris
For Freshwater and marine environments
Increased surface area helps the growth of beneficial nitrifying bacteria
Traps small particles that are not retained by the first stage of foam filtration

Description

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 for the growth of helpful nitrifying bacteria. In addition, they trap small particles that are not retained by the first stage of foam filtration.