Designed for use with the Oase BioStyle Hang On Filters, the BioStyle Disposable Cartridges provide mechanical, biological and chemical filtration for amazing results. The multistage cartridges come supplied as standard with all BioStyle Filter models and have been designed to create clean and healthy conditions for your aquarium inhabitants.

Key Features:

• Designed for use with the Oase BioStyle Hang On Filter range
• 5 Stage disposable filter cartridge
• Provides mechanical, biological and chemical filtration
• Large surface for bacteria colonisation
• Replace every 4-6 weeks
• Replacement cartridges are available in a 2-pack or 4-pack

BioStyle Disposable Cartridge - 3 Stage Filtration:
1) 45 PPI Filter Foam: Traps debris and waste whilst also offering surface area for beneficial bacteria.
2) Carbon, Zeolite & Phosphate Binder: Helps remove odours, impurities, and harmful nutrients.
3) Filter Fleece: Traps extremely fine debris to greatly enhance water clarity.


The Oase BioStyle Filter Cartridge should ideally be replaced every 4-6 weeks, dependant on aquarium volume, number of fish and plants, and any noticeable decline in filter performance.

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.