Effortless care, sparkling results. Maintain a healthy environment for your growing tank with the Bio-CF2. This filter boasts superior filtration and easy monthly cartridge changes.The Bio-CF2 is the ideal fit for your smaller aquarium, offering effortless monthly maintenance with easy cartridges and whisper-quiet operation. This powerhouse filter utilizes a 5-stage filtration system to keep your water sparkling clean and healthy. Your water will stay balanced thanks to biomedia which host good bacteria. The mechanical cartridges sieve out waste whilst the activated carbon purifies the water of any hidden nasties. If that wasn't enough, the aquarium pods help your ecosystem to thrive. Finally, clear and healthy water is oxygenated and returned back to the aquarium.Effortless upgrade to superior filtration: If you're currently using the original CF, upgrading to the Bio-CF system is seamless. Experience superior filtration with minimal effort - just replace your old cartridges with the Bio-CF Coir Tech cartridges for a significant upgrade in water quality and ease of maintenance. The Interpet Internal Cartridge Filter is the ultimate in compact filters for your Aquarium. Using an effective four stage filtration, the filter pumps the dirty water through the four layers to produce clear and healthy water. Stage One. The water passes through bio media which acts as a home for essential bacteria which removes toxic fish waste. Stage Two. Mechanical floss then clears the water by trapping fine waste Stage Three. The water then passes through carbon which purifies the water by removing dyes, toxins, heave metals and odours Stage Four. The final stage has a unique Algaway pad that reduces unsightly algae by removing phosphate, algaes favourite food. The result is crystal clear and healthy water being filtered back into your aquarium Don't forget to change your cartridge and Algaway pad to keep your aquarium clear and healthy. Service packs are available to purchase Specifications CF2 Max Flow Rate: 480 LPH (106 GPH) Power: 4 Watts Aquarium Size 68-90 Litres (15-20 Gallons). A range of unique 'hang on' easy access filters to suitaquariums from 36-90litres , The CF Filtration system representsthe most versatile,