3 count Cascade 20 Power Filter Replacement Carbon Filter Cartridges

The Cascade 20 Power Filter Replacement Carbon Filter Cartridges are a disposable carbon replacement cartridge designed to fit the Cascade 20 Filter. Keep your aquariums water crystal clear by changing your Cascade Filter cartridges regularly.

• Quick and easy to change
• Change out monthly for optimum water quality
• Ready to use in your Cascade 20 power filter