Fluval U3

Finest Filters stock a complete range of compatible foam and polycarbon filter cartridges to fit the Fluval U3 Filter. We are also pleased to now offer our own compatible biomax for efficient biological filtration in your Fluval U3 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.

4 Items

Set Descending Direction
  1. 4 x Compatible Fluval U3 Foams
    Rating:
    100 % of 100

    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: 195 x 60 x 13mm. It is recommended to change the foam pad every 3-6 months.

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  2. 8 x Compatible Fluval U3 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: 195 x 60 x 13mm. It is recommended to change the foam pad every 3-6 months. Learn More
  3. 12 x Compatible Fluval U3 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: 195 x 60 x 13mm. It is recommended to change the foam pad every 3-6 months. Learn More
  4. 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.

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4 Items

Set Descending Direction