- Suitable for JBL ProCristal i30 internal filter: ready-to-use cartridge for crystal-clear water in the aquarium
- Easy to install: open the upper cap, insert the cartridge into the container, reattach the cap
- High performance activated carbon: special filter material binds and absorbs food remains and metabolic substances.
- Replace the filter material every month
- Package contents: special filter material for crystal-clear water, SuperClear ProCristal