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Tetra Whisper Bio-Bag Filter Cartridges For Aquariums - Ready To Use BLUE, Large, 3 Count (Pack of 1)

  • Based on 11,949 reviews
Condition: New
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Availability: In Stock.
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Arrives Sunday, Feb 22
Order within 7 hours and 49 minutes
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Size: Large


Style: 3 Count


Features

  • REPLACEMENT CARBON FILTER: Keeps aquarium water crystal clear removes odors and discoloration.
  • CATCHES DEBRIS: Dense, dual-sided mesh filters debris and fish waste.
  • FITS TETRA WHISPER WATER FILTERS: Color coded to make it simple to remember which replacement cartridge size to purchase.
  • CONVENIENT: Replacement filter cartridges are fully assembled and ready to use.
  • USAGE: Change monthly or sooner if needed.
  • Conveniently Assembled and Ready-to-Use
  • Like the unassembled, the-Packages are color-coded, making it easier than ever to remember which size to purchase
  • Easy to Assemble, Easy to Replace
  • Please read all label information on delivery

Description

For 50 years, fishkeeping enthusiasts have looked to the Tetra name for products and solutions that add ease and beauty to their home. Whether you're an experienced hobbyist or just starting out, Tetra has everything you need–-from a large variety of quality fish food and innovative equipment to test kits and decor. Tetra Whisper Bio-Bag Replacement Cartridges are disposable filter cartridges that work to keep your water crystal clear while also removing odors and discoloration. These medium cartridges are easy to use and fit 20, 30, 40 and 60 Power Filters and 20i and 40i Internals. Each cartridge is ready to use, easy to assemble and easy to replace. Choose convenience and reliability with Tetra Whisper Replacement Cartridges. The ultra activated carbon removes waste particles, odors and discoloration from your aquarium water. Keep a tank that is clean and clear and thriving with proper filtration. Clear aquarium water creates a beautiful tank environment that becomes the focal point of any room.

Is Discontinued By Manufacturer ‏ : ‎ No


Product Dimensions ‏ : ‎ 3.5 x 4.75 x 8 inches; 6.4 ounces


Item model number ‏ : ‎ 26170


Department ‏ : ‎ Unisex-Adult


Batteries ‏ : ‎ Product Specific batteries required.


Date First Available ‏ : ‎ September 30, 2004


Manufacturer ‏ : ‎ Tetra


Best Sellers Rank: #982 in Pet Supplies (See Top 100 in Pet Supplies) #1 in Aquarium Filters


#1 in Aquarium Filters:


Item Weight: 6.4 ounces


Department: Unisex-Adult


Manufacturer: Tetra


Item model number: 26170


Batteries: Product Specific batteries required.


Date First Available: September 30, 2004


Item Package Dimensions L x W x H: 7.19 x 4.88 x 3.62 inches


Item Dimensions LxWxH: 3.5 x 4.75 x 8 inches


Item Weight: 0.4 Pounds


Brand Name: Tetra


Target Audience Keyword: fish


Directions: 1. Rinse filter cartridge under cool tap water to remove carbon dust. 2. Insert new filter cartridge into filter. 3. Replace monthly or more often if there is reduced water flow. For best results, change filter cartridge monthly. After 30 days, the carbon begins to lose effectiveness.


Country of Origin: United States


Warranty Description: See Label.


Model Name: Replacement Filter


Size: Large


Material: Plastic


Age Range Description: All Life Stages


Care Instructions: disposable


Number of Items: 1


Style: 3 Count


Included Components: Whisper Assembled Bio-Bag Cartridge Large (3 pack)


Specific Uses for Product: Indoor


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Feb 22

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Keeps the tank clear
Size: Large Style: 3 Count
Reliable ; works well at filtration ; good value
Reviewed in the United States on October 26, 2025 by Makaylasmomp4

  • Effective filters, but overpriced
Size: Large Style: 3 Count
Overpriced but a good sturdy filter. It can be used for two or three weeks, but it must be cleaned every couple of days.
Reviewed in the United States on August 3, 2025 by Linda P.

  • Works great and good price
Size: Large Style: 3 Count
Works great!
Reviewed in the United States on September 30, 2025 by Danielle

  • Great tetra fish aquarium filters
Size: Large Style: 3 Count
Great bio filter cartridges. They filter out the debris and keep the tank clean
Reviewed in the United States on July 26, 2025 by Christopher

  • Works
Size: Large Style: 3 Count
Does a good job in my tank Easy to replace
Reviewed in the United States on August 22, 2025 by Rich

  • Great product
Size: Large Style: 3 Count
Why did you pick this product vs others?: Picked this because it has the most value and quality for the money. And have used before so know it does what it’s supposed to.
Reviewed in the United States on July 13, 2025 by Heather Heather

  • Great Fit for Tetra Power Whisper Filters
Size: Large Style: 3 Count
I buy this product frequently because it works perfectly with my Tetra Power Whisper Filter system. The filters are easy to use and help keep my 40-gallon aquarium clean and clear. ✅ Great fit for Tetra Power Whisper Filters. ✅ Effective filtration for maintaining water quality. ✅ Reliable and easy to replace. Highly recommended for anyone using a Tetra filtration system! ... show more
Reviewed in the United States on March 29, 2025 by Lee R

  • The best for the price.
Size: Large Style: 3 Count
A must-have if you want to keep your tank water clean and pristine. I only use this brand, and for the price, you can't go wrong with it.
Reviewed in the United States on July 12, 2025 by Luis

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