JBL PROCRISTAL i30 GreenStop 6x

For internal filter JBL ProCristal i30: ready-to-use cartridge. Against green water and other algae in the aquarium.

Easy installation: open the top cover, insert the cartridge into the container, replace the cover.

Combat algae: the cartridge containing a special filter mass extracts algae nutrients from the water.

Replace the filter material every month

Contains 25 ml of special filter media per cartridge