Aqueon

Aqueon Replacement Filter Cartridges Medium - 3 Count Pack of 1

4.8(16,781)

429+ bought in the past month

$9.95$11.49

About this item

  • 🐟 25% MORE ACTIVATED CARBON - Aqueon Replacement Filter Cartridges are dual-sided, featuring dense-floss with over 25% more activated carbon than the leading brands.
  • 🐟 HIGH-QUALITY ACTIVATED CARBON - The cartridge contains high-quality activated carbon that keeps water clean.
  • 🐟 EVEN CARBON DISTRIBUTION - Aqueon’s patented cartridges were designed to ensure the even distribution of activated carbon.
  • 🐟 EASY INSTALLATION - Simply rinse under cold water and easily install using the "FRONT" orientation tab.
  • 🐟 MULTIPLE SIZES AVAILABLE - Aqueon Replacement Cartridges are available in X-Small, Small, Medium, and Large.
  • 🐟 OPTIMAL PERFORMACE - For optimal performance, change approximately every 4 weeks.
  • 🐟 VERSATILE - Fits Aqueon QuietFlow Filter: LED PRO Power Filter Size 10, Power Filter Size 10 and E Internal Power Filter Size 20.
  • 🐟 TRUSTED - Developed by true aquatic hobbyists, Aqueon provides a broad array of aquarium solutions to help maintain healthy, life-sustaining aquatic environments. From inception, Aqueon had one goal in mind: “Doing what is best for the health and well-being of fish and aquatic life.”
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Technical specifications

item_weight0.2 Pounds
departmentFilter Media
manufacturerCentral Garden & Pet
item_model_number100106084
date_first_availableJune 8, 2005
item_package_dimensions_l_x_w_x_h5.91 x 4.92 x 2.13 inches
item_dimensions_lxwxh4.9 x 5.7 x 2 inches
brand_nameAqueon
target_audience_keyword( reptiles | amphibians ), fish
directionsRemove used cartridge from Bio-Holster(TM) grid by pushing down gently on the holster and pulling the tab on the cartridge upwards. Discard used cartridge. Bio-Holster (TM) grid should not be removed or cleaned, as it contains beneficial bacteria. Rinse nw cartridge under cold water ti remove carbon dust. Insert new cartridge into Bio-Holster(TM) gid by aligning the key slot in the cartridge with ley slot on the biological grid.
country_of_originVietnam
model_nameReplacement Filter Cartridges
colorWhites & Tans
sizeMedium - 3 pack
materialActivated Carbon, Floss
age_range_descriptionAll Life Stages
care_instructionsHand Wash
number_of_items1
style3-Pack
breed_recommendationAll Breed Sizes
included_componentsAqueon Replacement Filter Cartridges Medium - 3 pack
is_discontinued_by_manufacturerNo
product_dimensions4.9 x 5.7 x 2 inches; 3.2 ounces
manufacturer_recommended_age1 month and up
best_sellers_rank#1,789 in Pet Supplies ( See Top 100 in Pet Supplies ) #2 in Aquarium Filter Accessories

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Customer reviews

4.816,781 ratings

Customers say

Customers find these filter cartridges work well, particularly for 20-gallon tanks, and are easy to install and remove. Customers also appreciate their longevity, with one noting they remain effective for 30 days, and their perfect fit for Aqueon pumps.

★★★★★

Price vs quality great

reynaldo nunez—April 11, 2025✓ Verified purchase

This fish tank filter has been a solid addition to my aquarium setup. It runs quietly, which is a huge plus — no annoying humming or buzzing sounds. It keeps the water clear and clean, and my fish seem happy and healthy. Installation was straightforward, and maintenance is minimal, which I really appreciate. Just rinse the filter media regularly, and it keeps performing well. If you’re looking for a reliable, low-hassle filter that does the job, this one’s a great pick. Read more

★★★★★

Spend the money. You won’t regret it.

JL Lear—September 5, 2025✓ Verified purchase

These are FAR superior at filtering and keeping your aquarium healthy than generic off-brand filters. I tried saving money and regretted it. My fish are now heathier, the water clearer and tests healthier, and they last longer (sometimes I had to change the others every 2-3 days). Very much worth the money! Read more

★★★★★

My go to filter carts

Meghan Donnelly—January 22, 2026✓ Verified purchase

For a 10 gallon tank with 1 fish worked great! Read more

★★★★★

The best fish filters, wouldn’t use any other brand

Travis W—May 31, 2025✓ Verified purchase

We have a 20 gallon fish tank. Whenever we run out of filters our local store never seems to have them. These filters are great. They fit our filter perfectly. They’re ways to clean and the value of how many you get for the price is awesome. Read more

★★★★☆

Works perfectly

ER—June 28, 2025✓ Verified purchase

Works perfectly Read more

★★★★★

Good product

KBS—January 14, 2026✓ Verified purchase

great for 10 gallon fresh water aquarium. Read more

★★★★★

Amazing deal!

David—September 5, 2025✓ Verified purchase

Always buying these for my fish tank! Great deal and last long time. You won’t find anywhere the deal that they have it here. Read more

★★★★★

Rinse out and reuse a couple times

Kevin Bellis—February 3, 2026✓ Verified purchase

Perfect fit Read more

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