Ferplast CO2 Energy Mixer Filtration Sponge Black/White 2 pcs

The Ferplast CO2 Energy Mixer filter sponge is essential to ensure the health of your aquarium.

With a compact size of 4.5 x 5.5 x 5 cm, this package includes two sponges of different porosities: one with fine pores and another with activated carbon, which optimize the mixing of water and carbon dioxide.

Easy to replace and designed to maintain oxygen balance, it is an essential accessory for aquarists seeking a healthy ecosystem.