JUWEL Filter sponges BioPlus fine

Juwel BioPlus fine filter sponges are very important for the mechanical and biological filtration of your aquarium. They are an essential component of the Juwel filter system. The large surface area of the BioPlus filter sponge with its fine pore structure ensures a high and even flow rate of the water. The large surface area makes it particularly suitable for biological filtration in the aerobic range. The open pores of the Juwel BioPlus fine filter sponge are achieved without the use of chemicals and are therefore free of residues. It is suitable for both fresh and salt water and can be easily cleaned under lukewarm tap water. Available in 4 different sizes: bioPlus ONE - 7.5x5x5cm, bioPlus M for Bioflow M / Compact - 9.5x9.5x4.5cm, bioPlus L for Bioflow L / Standard - 12.5x12.5x5cm, bioPlus XL for Bioflow XL / Jumbo - 15x15x5cm.