Amazon
Filter sponge with a very large surface area conducive to colonisation of useful bacteria grid with frame to facilitate the replacement of biofoam filter foam, Weight: 0.0440924524 Pounds, Manufacturer: Tetra
Filter sponge with a very large surface area conducive to colonisation of useful bacteria grid with frame to facilitate the replacement of biofoam filter foam, Weight: 0.0440924524 Pounds, Manufacturer: Tetra