The Fluval U Mini Underwater Filter is a compact and efficient filtration solution designed for small aquariums up to 45 litres. Its space-saving design makes it ideal for coldwater or tropical setups where reliable water quality is essential. Simple to install and maintain, it provides consistent filtration to help keep your aquarium clean and clear. This ex-demo unit is supplied in its original box and has been checked to confirm it is in working order.

Key Features

• Suitable for aquariums up to 45 litres
• Compact design ideal for small tanks
• Simple and efficient underwater filtration
• Suitable for coldwater and tropical aquariums
• 5W energy-efficient operation
• Easy to install and maintain
• Ex-demo unit supplied with original box

This filter is a practical option for maintaining water quality in smaller aquariums, offering straightforward performance in a compact and easy-to-use design.

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.