Juwel Filter Media Bioflow 3.0(M) - BioPlus/BioPad/BioCarb/Carbax...FULL RANGE
BioPlus(coarse). BioPlus(fine). The fine-pored BioPlus filter sponge primarily serves the purpose of biological filtering of your aquarium in the anaerobic area. BioPad(5xfilterfloss per box). BioCarb(2x active carbon sponge).