Fluval U4

Finest Filters stock a complete range of compatible foam and polycarbon filter cartridges to fit the Fluval U4 Filter. We are also pleased to now offer our own compatible biomax for efficient biological filtration in your Fluval U4 filter. We offer bundle sets of our filter media which offer the best value compared to buying parts individually. Our foam pads, polycarbon filter cartridges and biomax are made to the same specification as the original brand filters.

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  1. 4 x Compatible Fluval U4 Foams
    Finest-Filters Compatible filter media pads are made from the same material as the Fluval originals. Quantity for sale: 4 Filter Pad Specification: Beige Foam Filter Pad Measurements: 235 x 62 x 16mm. It is recommended to change the foam pad every 3-6 months. Learn More
  2. 8 x Compatible Fluval U4 Foams
    Finest-Filters Compatible filter media pads are made from the same material as the Fluval originals. Quantity for sale: 8 Filter Pad Specification: Beige Foam Filter Pad Measurements: 235 x 62 x 16mm. It is recommended to change the foam pad every 3-6 months. Learn More
  3. 12 x Compatible Fluval U4 Foams
    Finest-Filters Compatible filter media pads are made from the same material as the Fluval originals. Quantity for sale: 12 Filter Pad Specification: Beige Foam Filter Pad Measurements: 235 x 62 x 16mm. It is recommended to change the foam pad every 3-6 months. Learn More
  4. 4 x Compatible Fluval U4 Polycarbon Filter Cartridges
    Rating:
    100% of 100

    You are buying a pack of 4 compatible polycarbon filter cartridges to fit the Fluval U4 internal filter.

    These filter cartridges have a polyester side for mechanical filtration, and a carbon impregnated side for chemical filtration of the aquarium water.

    Learn More
  5. 8 x Compatible Fluval U4 Polycarbon Filter Cartridges
    Rating:
    100% of 100

    You are buying a pack of 8 compatible polycarbon filter cartridges to fit the Fluval U4 internal filter.

    These filter cartridges have a polyester side for mechanical filtration, and a carbon impregnated side for chemical filtration of the aquarium water.

    Learn More
  6. 12 x Compatible Fluval U4 Polycarbon Filter Cartridges

    You are buying a pack of 12 compatible polycarbon filter cartridges to fit the Fluval U4 internal filter.

    These filter cartridges have a polyester side for mechanical filtration, and a carbon impregnated side for chemical filtration of the aquarium water.

    Learn More
  7. 4 x Fluval U4 Compatible Plain Foam and 4 x Compatible Polycarbon Filter Cartridges

    You are buying a set of 4 compatible plain filter foams and 4 x compatible polycarbon filter cartridges to fit the Fluval U4 internal filter.

    Our replacement filter media bundles offer a cost effective option for replacing the filters in your aquarium filter.

    Learn More
  8. 8 x Fluval U4 Compatible Plain Foam and 8 x Compatible Polycarbon Filter Cartridges

    You are buying a set of 8 compatible plain filter foams and 8 x compatible polycarbon filter cartridges to fit the Fluval U4 internal filter.

    Our replacement filter media bundles offer a cost effective option for replacing the filters in your aquarium filter.

    Learn More
  9. 12 x Fluval U4 Compatible Plain Foam and 12 x Compatible Polycarbon Filter Cartridges

    You are buying a set of 12 compatible plain filter foams and 12 x compatible polycarbon filter cartridges to fit the Fluval U4 internal filter.

    Our replacement filter media bundles offer a cost effective option for replacing the filters in your aquarium filter.

    Learn More
  10. 170g Compatible Biomax For Fluval U2 U3 U4 Internal Filters Ceramic Filter Media

    Finest Filters Biomax is made to the same specification as the Fluval original Biomax.

    This product is packed in 170g bags.

    Learn More

Items 1-10 of 13

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