Penn Plax Water World Prism Replacement Filter Cartridges
The Penn Plax Water World Prism Replacement Floss / Carbon Filter Cartridges are a disposable carbon replacement cartridge designed to fit the Prism system. Keep your aquariums water crystal clear by changing your Prism filter cartridges regularly.
- Quick and easy to change
- Change out monthly for optimum water quality
- Ready to use in your Prism system