Round sponge No. 3, finely porous, 8 x 8 x 10 cm, gray

Round sponge No. 3, finely porous, designed for use in the filters of the aquarium. It has thin pores, which allows it to effectively delay small particles of dirt, food residues and other pollution that can be in water. You can use in various types of filters, such as internal or external filters or pump filters. It should be correctly installed.

It is important to regularly check the condition of the sponge and clean it to avoid clogging it with dirt. It is an indispensable element of the aquarium filtering system, helping to maintain the purity and quality of water for the health of fish.

the diameter of the hole is 13 mm.