Interpet Internal Corner Power Filter CPF3, 3 Month Service Pack, x Cartridge with Carbon, 1 Black Sponge

5 MONTH SERVICE KIT - keep your filters working hard with this multi pack of easy to replace filter cartridge for the Corner Power Filter CPF3 (pack contains 3 x cartridge filter with carbon, 1 x black sponge) FOR CRYSTAL CLEAR WATER - the carbon filter cartridge clears and purifies water and the black sponge removes large waste EASY FIT - simply remove the old filter cartridge and sponge and pop in the new ones KEEP YOUR FILTER RUNNING LIKE NEW - the filter cartridge floss will become blocked with trapped material and the carbon capacity for removing toxins will become exhausted (replace monthly), the black sponge should be replaced once every 3 months LIFE SUPPORT - for coldwater or tropical aquariums