The Interpet CF replacement cartridges are changing to a new and improved version for all CF filters. They are 100% compatible with original CF filters. The filtration performance of the new Coir-Tech cartridges works to the same standard as the previous polymer cartridges.

Just replace them monthly for the same great results and crystal clear aquarium water.

• 100% biodegradable
• Made from coconut coir, a natural material
• Can be home composted

REPLACEMENT CARTRIDGE PACK - Made to fit the Interpet CF1 Model (2311) only (please check your user manual to be sure to select the correct size). Also fits Interpet Aqua Cube Aquarium
PLASTIC FREE – This pack includes high-performance, biodegradable cartridges made from sustainable coconut coir with a protective layer of natural latex and an activated carbon coating
EASY TO USE - Simply remove and discard the old filter cartridge and replace with the new cartridge once a month. The coconut coir pads can be home composted
PURIFIES WATER - Easy to use replacement filter media, purifies water and reduces algae and ensures long-term health and well-being of your aquarium fish and plants
This kit contains 3 x Front Coir Tech Cartridge and 3 x Back Coir Tech Cartridge