The Fluval Betta 20L Filter Cartridge is a genuine replacement media designed specifically for the Fluval Betta aquarium filtration system. It combines mechanical, chemical and biological filtration in one convenient cartridge to help maintain clear, healthy water conditions for your betta.

The cartridge works to trap debris, remove impurities and support beneficial bacteria, helping to maintain stable water quality between changes. Replacing the cartridge as recommended supports consistent filtration performance and a cleaner aquatic environment.

Available in multiple pack sizes, this listing is for the Fluval Betta 20L Filter Cartridge only and does not include an aquarium or additional equipment.

Key Features:

• Genuine replacement cartridge for Fluval Betta 20L filter systems
• Combines mechanical, chemical and biological filtration
• Helps maintain clear, balanced water
• Supports beneficial bacteria growth
• Simple to install and replace
• Available in packs of 1, 3, 6 or 12

Regular cartridge replacement helps maintain efficient filtration and stable water quality, supporting a healthy environment for your betta.

Specifications:

• Compatibility: Fluval Betta 20L aquarium filter
• Filtration type: Mechanical, chemical and biological
• Pack sizes available: 1, 3, 6, 12 cartridges
• Listing includes: Fluval Betta 20L Filter Cartridge(s) only

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Klarna's credit products are provided by Klarna Bank AB, which is authorised and regulated by the Swedish Financial Services Authority, with limited supervision by the Financial Conduct Authority. More information can be found here.

Newpay finance options are provided through Deko’s platform by NewDay. P.D. Aquatics Ltd, t/a Aquacadabra is an Introducer Appointed Representative of Pay4Later Ltd, t/a Deko, which is authorised and regulated by the Financial Conduct Authority (ref no 728646) and is a credit broker, not a lender. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (ref no 690292) and is authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 for the provision of payment services (ref no 555318). More information can be found by clicking the newpay option above, or in the Newpay FAQs.

We really want you to be happy with the product that you've received. If however, when the goods arrive they're not what you want, then no problem - we have a 60 day no quibble return guarantee. Just let us know that you're going to return the item(s) by contacting us(stating your Order Number) and complete the returns packing slip that will have been included with your delivery. This will help us to quickly identify the item that you have returned (unopened and unused) - and we'll put a refund through for you.