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Fluval U Series Filters

Fluval U Series Filters

Regular price £27.99 GBP
Regular price Sale price £27.99 GBP
Sale Sold out
Tax included.

Fluval U Series Filters provide easy, convenient filtration, and have the capacity to independently filter aquariums up to a 240 litre capacity as the primary filter or act as a supplementary filter in a larger aquarium. These internal, underwater filters feature a three-stage filter with Biomax for superior aquarium water quality. The filters come in a range of sizes, to suit a variety of aquarium setups.

What are the benefits of the Fluval U Series Filters?

The Fluval U Series Filters have a range of features including:

  • Flip-top access - Access via a convenient flip-top lid to quickly and easily reach in and change the filter cartridge.
  • Custom flow patterns - Fluval U series filters provide the option of setting the flow output in 3 different positions, a key benchmark in underwater filtration. The Adjustable 3-Way Flow Control feature (U2, U3 and U4 models) lets you position the water flow output to meet your specific needs. 
  • A setting for every need - The top output setting provides maximum circulation and oxygenation, the Integrated Spray Bar setting provides a gentle, even flow for planted aquariums and the bottom output setting is for deepwater agitation.


Product U Series Filter U1 U Series Filter U2 U Series Filter U3 U Series Filter U4
Aquarium capacity 55ltrs 45-110ltrs 90-150ltrs 130-240ltrs
Pump output 250lph 400lph 600lph 1000lph
Wattage (120V/60Hz) 5W 5W 6W 12W
Wattage (230-240V/50Hz) 4.5W 5W 6W 12W
Dimensions L:10 x W:8 x H:15cm L:20 x W:9 x H:10cm L:26.7 x W:8.3 x H:10cm L:33 x W:10 x H:11cm
Cable length 180cm 180cm 180cm 180cm
Includes 1 foam pad 2 foam pads, 2 poly/carbon cartridges, BioMax biological rings 2 foam pads, 2 poly/carbon cartridges, BioMax biological rings 2 foam pads, 2 poly/carbon cartridges, BioMax biological rings

Shipping & Returns

All orders are processed within 2 business days. Orders are not shipped or delivered on weekends or holidays. If we are experiencing a high volume of orders, shipments may be delayed by a few days. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via email or telephone.

If you are unhappy with your item, please let us know. You have 30 days to return or exchange an item with a valid receipt. If 30 days have gone by since your purchase, we cannot offer you a refund or exchange. To be eligible for a refund or exchange, goods must be returned in a re-saleable condition. That means your item must be unused and in the same condition that you received it. To complete your refund or exchange, we require a receipt or proof of purchase. Please do not send your purchase back to the manufacturer.

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