US
Aqueon

Aqueon QuietFlow 20 LED PRO Aquarium Power Filter

  • Up to 30 Gallon aquariums
  • Four stages: mechanical, chemical, biological, wet/dry
  • Bio-holster for ammonia and nitrites
  • Self-starting internal pump after power cuts
  • Limited Lifetime warranty
  • 1.7 Pounds

Last refreshed Jul 1, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A quiet hang-on filter with four filtration stages and a self-starting pump for mid-size tanks. Flow rate and cartridge size are not stated in this listing.

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ASIN: B000SP340UCategory: Aquarium Filters

Overview

Aqueon designed the QuietFlow PRO as a hang-on-back power filter with floss, carbon, a bio-holster and a diffuser grid. Its internal pump dampens noise, avoids leaks and restarts on its own after cleaning or a power cut.

Separating the biological stage in a bio-holster means beneficial bacteria survive cartridge changes. The listing does not give a flow rate or which cartridge size it takes.

Who it's for

Community fish tanks in living rooms and bedrooms suit it, where noise matters. Large or heavily stocked tanks need a bigger filter.

Pros and cons

Pros
  • Four filtration stages
  • Quiet return with less splashing
  • Bio-holster protects bacteria
  • Adds oxygen via diffuser grid
Cons
  • Flow rate not listed
  • Cartridge size not named
  • Refills sold separately

Performance notes

Water passes floss, then carbon, then the bio-holster and diffuser grid, which is how it clears particles, odors and ammonia in one pass. Oxygen rises as water spills over the grid back into the tank.

Specifications

BrandAqueon
Dimensions & fit
Tank sizeUp to 30 Gallon
Item weight1.7 Pounds
Included components
Unit Count1 Count
Warranty & support
Warranty DescriptionLimited Lifetime
Other details
Filtration stagesMechanical, chemical, biological, wet/dry
PumpInternal, self-starting
Target SpeciesFish
Allergen InformationAllergen-Free
Item FormStick
Item Type NameAqueon QuietFlow LED PRO Aquarium Power Filter

Frequently asked questions

How do you maintain the Aqueon QuietFlow PRO filter?

Replace the cartridge as needed; the pump restarts automatically after cleaning. The bio-holster is a separate stage that houses the bacteria removing ammonia and nitrites.

Is the Aqueon QuietFlow PRO noisy?

It is built to be quiet, with an internal pump that dampens noise and a return that reduces splashing.

What size tank does it fit?

Aquariums up to 30 gallons.