Dymax RF Filter Replacement Sponge Mushroom Its porous scale-like textures and

Its porous scale-like textures and colours give the rock its name

The modular design enables the addition of extra filtration media so that you can customise the filter to suit any aquarium

Simple one dip application

The nitrate level in an established tank will always be above 0 ppm

Low profile magnetic mount

Dymax RF Filter Replacement Sponge Mushroom Its porous scale-like textures andDymax RF Filter Sponge is designed especially for the Dymax RF Canister Filter. Dymax RF Filter Sponge is made of supreme quality material that can be used for both biological and mechanical filtration. This sponge effectively captures small particles and debris, particularly those loose particles that are hard to retail at the first stage of the filtration system. The RF Filter sponge is made of non toxic filter material that can effectively control