Keep your Fluval Flex 57L Aquarium filtration system performing effectively with this complete 3-stage replacement filter media set. The kit combines mechanical, chemical and biological filtration to help maintain clean, clear and healthy aquarium water.

Set Includes
Stage 1 – Fluval Foam Filter Block
Stage 2 – Fluval Activated Carbon – Pack of 3 Bags
Stage 3 – Fluval Biomax – 60g

Stage 1 – Foam
Provides essential mechanical filtration, trapping larger particles, debris and waste before they reach the other filter media.

Stage 2 – Activated Carbon
Provides chemical filtration, helping absorb odours, discolouration, pollutants and other impurities from the water. The highly porous activated carbon offers a large surface area for effective adsorption.
Contains 3 bags of activated carbon.

Stage 3 – Biomax 60g
Provides essential biological filtration. The highly porous Biomax media offers a large surface area for beneficial bacteria to colonise, helping process fish waste and maintain a healthy biological balance.

Key Features

• Complete 3-stage filtration set
• Specifically designed for the Fluval Flex 57L
• Stage 1 mechanical filtration – Foam
• Stage 2 chemical filtration – Activated Carbon
• Stage 3 biological filtration – Biomax
• Helps remove debris, odours and discolouration
• Supports beneficial bacteria
• Helps maintain clean, clear aquarium water
• Convenient complete replacement media bundle

Aquacadabra acts as credit broker/intermediary and not as a lender.

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.