12 x Compatible with biOrb Filter Foam Sponge Service Kit For biOrb Aquariums

The compatible filter foams capture particles and debris for effective mechanical filtration giving better biological filtering. To use our filters, simply remove the old filter foam, and retain the plastic case. Place the foam filter on top of your filter media mix for an economical replacement option! The compatible filter foams capture particles and debris for effective mechanical filtration giving better biological filtering. To use our filters, simply remove the old filter foam, and retain the plastic case. Place the foam filter on top of your filter media mix for an economical replacement option! Our replacement filter foam sponges are compatible for use with all models of biorb and biube aquariums.