Fluval Foam Block (104/5, 204/5, 404/5)

4 reviews
Replace your old mechanical filter media with these fresh Fluval Foam Block (104/5, 204/5, 404/5), perfect for those models of aquarium filter, they will capture dirt particles as if your filter was brand new.


  • 104/105 Foam Block Sale
    code: A220 In stock Only 2 left in stock
  • 204/205 Foam Block Sale
    code: A222 In stock Only 1 left in stock
  • 404/405 Foam Block Sale
    code: A226 In stock Only 5 left in stock

Product Information

Fluval Foam Filter Blocks are suitable for the 104/5, 204/5 and 404/5 Fluval filters.

The foam's porous surface traps dirt and debris, leaving the water clean and clear. Each foam is custom made to fit perfectly, to stop any water by passing the filtration system. 

The material also promotes biological filtration as the surface is ideal for bacteria to colonise, creating a natural process to keep your tank clean, clear and healthy.

Match up the relevant Foam Block with the corresponding Fluval Filter for a perfect fit and a beautifully clean aquarium. 

Key Features:

  • Suitable for various Fluval filters
  • Custom fit to each filter
  • Collects and traps dirt and debris
  • Promotes biological filtration



Latest Customer Reviews

  • Rating
    Date 27/08/2015 08:08am
    Fluval 204/205 Foam Block
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  • Rating
    Date 25/02/2016 12:02pm
    Fluval 404/405/406 Foam Filter Block
    Feefo Logo
    As expected
  • Rating
    Date 15/01/2015 09:01am
    Fluval 404/405/406 Foam Filter Block
    Feefo Logo
    As Above
  • Rating
    Date 06/02/2015 18:02pm
    Fluval 404/405/406 Foam Filter Block
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