The Oase BioPlus 50 Internal Filter is a freshwater aquarium filtration unit designed to keep water clear while promoting healthy oxygen levels. Its adjustable flow settings and integrated diffuser help reduce biofilm and improve surface movement. Easy access to filter modules simplifies routine cleaning, and the unit is engineered for quiet performance. A heater can be integrated (heater not included), and the filter comes with essential media and accessories for immediate use.

Key Features:

• Integrated diffuser with three adjustable water flow settings for even surface movement and added aeration
• Simple cleaning and maintenance via removable filter modules while keeping the pump in place
• Carbon filter foam with activated carbon for easier removal of unwanted substances
• Quiet operation with sound‑dampening design
• Capable of integrating an OASE HeatUp adjustable heater (sold separately)
• Includes aquarium filter unit, filter media, integrated diffuser, suction cups and power cable
• Freshwater compatible; UL certified
• Made in Italy with German engineering
• 3‑year warranty plus 1‑year extension with online registration

The Oase BioPlus 50 offers reliable freshwater filtration with flexible flow control and straightforward maintenance. Its quiet operation and compatibility with an adjustable heater make it a practical choice for a wide range of aquarium setups, supported by extended warranty coverage.

Specifications:

• Type: Internal aquarium filter
• Flow Settings: Three adjustable
• Filter Media: Included (foam with activated carbon)
• Aeration: Integrated diffuser
• Noise Level: Quiet operation
• Compatibility: Freshwater aquariums
• Certifications: UL certified
• Warranty: 3 years plus 1‑year extension with registration

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.