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SKU: 84070

BioStyle 20

$9.99 $35.99
Shipping calculated at checkout.

Description
  • Sleek, compact hang-on-back power filter designed for easy installation, operation, and maintenance. 
  • Includes one 45 ppi multi-stage filtration cartridge with filter foams and a chemical mix. It also includes one 30 ppi biological filter foam with a reusable frame.
  • Cleaning indicator shows when it’s time to replace the disposable cartridge or clean the filter foams.  
  • Built-in adjustable flow control helps change the water flow and increase oxygenation. 
  • Ideal for fresh or marine aquariums up to 20 gallons

Specifications
  • Dimensions
    6 x 5.25 x8.5 inches (152 x 133 x 216 mm)
  • Weight
    1.8 lbs. (0.82 kg)
  • Rated Voltage
    120 V / 60 Hz
  • Power Consumption
    4.5W
  • Power Cord Length
    6 ft. (2 m)
  • Max. Flow Rate
    100 GPH (380 LPH)
  • Recommended Aquarium Size
    20 gallons (75 L)
  • Suitable for
    Fresh and marine water
  • Warranty
    3 years

What's Included

Aquarium Filter, one multi-stage filter cartridge, one biological filter foam with reusable frame, telescopic intake with inlet strainer, and 6 ft. power cable

Spare Parts

Payment & Security

Payment methods

  • American Express
  • Diners Club
  • Discover
  • Mastercard
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

  • Germany engineering

  • OASE BioMaster Made in Italy

    Made in Italy

  • OASE High-Quality Materials

    High-quality materials 

  • Warranty 
BioStyle power filter being used on a fish tank with water flowing out.

Clean, Clear Water. Effortless Filtration. 

BioStyle power filters offer reliable performance, quiet operation, and easy maintenance in a compact, hang-on design.

  • Sleek, Space-Saving Filter 

    BioStyle mounts directly to the back of your aquarium; it’s a smart choice for minimalist setups or tanks with limited space.

  • Multi-stage filtration cartridge of the BioStyle

    Multi-stage Filtration 

    The included multi-stage filter cartridges and filter foams clean on all mechanical, chemical, and biological levels for a truly healthy aquarium. 

  • Adjustable Flow 

    A simple flow control dial lets you fine-tune circulation based on tank size and livestock needs. Ideal for calm freshwater setups or tanks with delicate plants and fish.

  • Maintenance Alert

    EasyClean maintenance indicator shows when it is time to change the mess-free, disposable multi-stage filter cartridge or clean the biological filter foam.

  • Quiet Operation 

    Designed for smooth, low-noise performance with minimal power usage, BioStyle delivers effective filtration without disturbing your space.

  • Close up of BioStyle built-in leveler foot

    Easy Installation

    The built-in leveler foot allows you to securely position the filter flush against tanks of different thicknesses.

  • Biostyle features a telescopic intake

    Adjustable to Your Tank’s Needs 

    The clear telescopic intake extends from 6 in. to 14 in. for varying aquarium heights.

  • Reliable & Backed by Warranty

    BioStyle 20 filters are ideal for freshwater and saltwater aquariums up to 20 gallons (75L). Italian-made, German-engineered, and UL certified for safety. Enjoy a 3-year warranty.

  • Award-winning Design 

    Winner of the Red Dot Design Award 2023, BioStyle was recognized for its compact, hose-free setup that blends into any space.

Customize Your BioStyle 

Enhance performance with optional media cartridges tailored to your tank's needs. Choose from other media options or use an empty cartridge to add your own media for a personalized setup.

View All Optional BioStyle Media
Steps 1-3 of how water moves through BioStyle power filters

How it Works 

  1. Water is pulled up through the intake and into the filter.
  2. The water flows through the filter chamber that houses the multi-stage filter cartridges and biological filter foams. The water circulates through different filter media, which collects debris and provides optimal water quality and clarity. In Thermo models, the water is simultaneously heated by the integrated heater.
  3. The clean, clear water exits out of the filter and back into the aquarium via the spillway.

  • Instruction Manual

    Enjoy the simplicity of operating and maintaining your BioStyle. All the setup and maintenance guidance you need is located in the instruction manual here.

    Download Manual

  • Articles and Learning

    Start your adventure today. Learn the art of aquarium keeping, from choosing the right tank to designing a flourishing underwater habitat.

    Start Reading

Other Ways to Shop

Whether you prefer personal assistance and expertise from dealers or the convenience of online shopping, there are multiple options available to suit your needs.

Where to buy
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SCXW122645068 BCX8\"\u003e \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW122645068 BCX8\"\u003ehang-on-back \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW122645068 BCX8\"\u003epower \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW122645068 BCX8\"\u003efilter\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW122645068 BCX8\"\u003e designed for easy installation, operation, and maintenance.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP SCXW122645068 BCX8\" data-ccp-props='{\"134233118\":false,\"201341983\":0,\"335559739\":0,\"335559740\":240}'\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cspan class=\"NormalTextRun SCXW177441484 BCX8\"\u003eIncludes one\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW177441484 BCX8\"\u003e45 ppi\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun CommentStart SCXW177441484 BCX8\"\u003emulti-stage filtration\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW177441484 BCX8\"\u003ecartridge\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW177441484 BCX8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW177441484 BCX8\"\u003ewith filter foams\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW177441484 BCX8\"\u003eand a chemical mix.\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW177441484 BCX8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW177441484 BCX8\"\u003eIt also\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW177441484 BCX8\"\u003e\u003cspan\u003e \u003c\/span\u003eincludes one 30 ppi biological filter foam with a reusable frame\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW177441484 BCX8\"\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan class=\"EOP SCXW122645068 BCX8\" data-ccp-props='{\"134233118\":false,\"201341983\":0,\"335559739\":0,\"335559740\":240}'\u003e\u003cspan class=\"NormalTextRun SCXW267208177 BCX8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW72390874 BCX8\"\u003e\u003cspan class=\"NormalTextRun CommentStart CommentHighlightPipeClicked CommentHighlightClicked SCXW72390874 BCX8\"\u003eC\u003c\/span\u003e\u003cspan class=\"NormalTextRun CommentHighlightClicked SCXW72390874 BCX8\"\u003eleaning\u003c\/span\u003e\u003cspan class=\"NormalTextRun CommentHighlightClicked SCXW72390874 BCX8\"\u003e indicator shows when \u003c\/span\u003e\u003cspan class=\"NormalTextRun CommentHighlightClicked SCXW72390874 BCX8\"\u003eit\u003c\/span\u003e\u003cspan class=\"NormalTextRun CommentHighlightClicked SCXW72390874 BCX8\"\u003e’\u003c\/span\u003e\u003cspan class=\"NormalTextRun CommentHighlightClicked SCXW72390874 BCX8\"\u003es\u003c\/span\u003e\u003cspan class=\"NormalTextRun CommentHighlightClicked SCXW72390874 BCX8\"\u003e time to replace the disposable cartridge or clean the filter foam\u003c\/span\u003e\u003cspan class=\"NormalTextRun CommentHighlightClicked SCXW72390874 BCX8\"\u003es\u003c\/span\u003e\u003cspan class=\"NormalTextRun CommentHighlightClicked SCXW72390874 BCX8\"\u003e.\u003c\/span\u003e\u003cspan class=\"NormalTextRun CommentStart CommentHighlightClicked SCXW72390874 BCX8\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP CommentHighlightPipeClicked SCXW72390874 BCX8\" data-ccp-props='{\"134233118\":false,\"201341983\":0,\"335559739\":0,\"335559740\":240}'\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan class=\"EOP SCXW122645068 BCX8\" data-ccp-props='{\"134233118\":false,\"201341983\":0,\"335559739\":0,\"335559740\":240}'\u003e\u003cspan class=\"NormalTextRun SCXW267208177 BCX8\"\u003e\u003cspan class=\"EOP CommentHighlightPipeClicked SCXW72390874 BCX8\" data-ccp-props='{\"134233118\":false,\"201341983\":0,\"335559739\":0,\"335559740\":240}'\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cspan data-contrast=\"none\" lang=\"EN-US\" class=\"TextRun SCXW50920752 BCX8\"\u003e\u003cspan class=\"NormalTextRun CommentStart CommentHighlightPipeClicked CommentHighlightClicked SCXW50920752 BCX8\"\u003eBuilt-in a\u003c\/span\u003e\u003cspan class=\"NormalTextRun CommentHighlightClicked SCXW50920752 BCX8\"\u003edjustable flow control \u003c\/span\u003e\u003cspan class=\"NormalTextRun CommentHighlightClicked SCXW50920752 BCX8\"\u003ehelps \u003c\/span\u003e\u003cspan class=\"NormalTextRun CommentHighlightClicked SCXW50920752 BCX8\"\u003echange the water \u003c\/span\u003e\u003cspan class=\"NormalTextRun CommentHighlightClicked SCXW50920752 BCX8\"\u003eflow \u003c\/span\u003e\u003cspan class=\"NormalTextRun CommentHighlightClicked SCXW50920752 BCX8\"\u003eand increase oxygenation.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP CommentHighlightPipeClicked SCXW50920752 BCX8\" data-ccp-props='{\"134233118\":false,\"201341983\":0,\"335559739\":0,\"335559740\":240}'\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eI\u003c\/span\u003edeal for fresh or marine aquariums up to 20 gallons\u003c\/li\u003e\n\u003c\/ul\u003e"}