AQUAEL Filter Sponge ASAP Carbomax. Replaceable activated carbon filter sponge that in addition to mechanically and biologically filtration removes chemical impurities, odors, discolorations, medication residues, etc. from the aquarium water.
AQUAEL Filter Sponge Uni Filter Phosmax. Replaceable filter sponge that in addition to mechanically and biologically filtration reduces the phosphate content in the aquarium water and thus protects against excessive algae growth. The Carbomax filter sponge is effective for up to 4 weeks and should then be replaced.
AQUAEL Filter Sponge Uni Filter Standard. Replaceable bio-filter sponge with appropriately selected density. The bio-filter sponge ensures effective and thorough mechanical and biological filtration of aquarium water.