The Elive AquaDuo filter cartridges are designed with the health of your fish in mind. They help to create the perfect environment for your aquatics for longer than most other filters. Compatible with Elive AquaDuo 10 and 20 filters, Elive recommends changing cartridges every 2-4 weeks for optimal results. AquaDuo Filter Cartridges are linkable for use in filters that require multiple cartridges.

• Healthy Fish: AquaDuo Filter Cartridges help keep water clear and fish healthy. Perfect Conditions for your aquarium
• Long Lifetime: AquaDuo filter cartridges last up to 4 weeks depending on the amount and species of fish
• Easy Installation: The cartridges are easy to swap and are linkable for use in filters that require multiple cartridges
• Perfect Fit: Fits all Elive AquaDuo aquarium filters
• Trusted Name: Elive has been a high quality manufacturer of aquarium equipment for many years and is proud to be the most trusted brand for aquatics in the US today.