A308 Marina Power Cartridges for the Marina i110 and i160 Filters. 2 Cartridges per pack.
Safe for both tropical or coldwater goldfish tanks and slips securely into the Marina i110 or i160 filters. The Marina i110 takes 1 filter cartridge and the i160 takes x 2 filter cartridges, although with the i160 we recommend only changing one at a time to prevent losing too much bacteria.
This special power cartridges designed to fit both the i110 and i160 power filters, helps remove pollutants and odours, removes toxic ammonia and captures floating debris. To ensure the water is crystal clear.
We recommend these cartridges are replaced every 4 weeks