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  • Tetra 26313 Whisper EX 70 Filter, 45-70-Gallon
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Tetra Whisper EX Power Filter

by Tetra
| 25 answered questions

List Price: $88.99
Price: $29.99 & FREE Shipping on orders over $35. Details
You Save: $59.00 (66%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
45-70 Gallons
  • Designed for Use on Aquariums Up to 70-GallonUses two Large Carbon Filters
  • Uses Large Whisper Bio-Bag Cartridges
  • Ready to use right out of the box Timestrip technology included
27 new from $24.49 3 used from $23.02

Tetra Aquarium Starter Kit
$29.99 & FREE Shipping on orders over $35. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

Tetra 26313 Whisper EX 70 Filter, 45-70-Gallon + Tetra 26332 Whisper EX Carbon Filter Cartridges, Large, 4-Pack + Tetra 26164 Whisper Bio-Bag Cartridge, Unassembled, Large, 12-Pack
Price for all three: $51.77

Buy the selected items together

Special Offers and Product Promotions

Size: 45-70 Gallons
  • Save Big On Open-Box & Used Products: Buy "Tetra 26313 Whisper EX 70 Filter, 45-70-Gallon” from Amazon Open-Box & Used and save 74% off the $88.99 list price. Product is eligible for Amazon's 30-day returns policy and Prime or FREE Shipping. See all offers from Amazon Open-Box & Used.

Product Description

Size: 45-70 Gallons

Product Description

Whisper EX 70 filter

Amazon.com


What a Wonderful World

The Whisper EX Series Filtration Systems take the ease of maintaining an aquarium to a whole new level for beginners to hobbyists alike. From its innovative use of Timestrip technology to the new-patented carbon filter carrier, every new feature in this system had been designed with simplicity and convenience in mind. This is truly the intuitive filtration system that keeps your water clean and your fish and plants healthy. With four models available, you will be sure to find one that accommodates your aquarium size.

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These are the 4 WhisperEX Filter models available to you that come mostly pre-assembled.


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The WhisperEX Filter easily hangs on the back of your tank.


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The Bio-Scrubber helps ensure crystal clear water.

The Essence of Ease

It is ready to go right out of the box, you only have to adjust the intake tube to the proper depth and plug it in. No priming of the filter is necessary. The Whisper EX models come with Timestrips that tell you when your carbon filter needs to be changed — simply change the cartridge when the Timestrip changes from white to red, indicating the carbon has been used up. Timestrips come free with each filter and the replacement cartridges. All you need to do is press firmly on the button and timing will begin.

There is an easy access door located on top of the filter that stays in place while changing out the filter cartridges and the Filter Cartridge Carrier helps keep your hands away from used cartridges, helping eliminate any unwanted drips. The Whisper EX Filters also have a submerged motor requiring less maintenance than other external models while creating one of the most silent filters on the market.

The Contour of Clean

Whisper EX Filtration Systems have scientifically engineered water flow. The rounded shape creates a circular water flow that prevents sediment from forming in the bottom of the system chamber. Water is forced through multi-density carbon filters that suspend the carbon for greater contact and improved filtration. The filters are designed with a multi-density floss structure that captures a range of unwanted particles. The Activated Carbon in the Filter Cartridges allow for the elimination of odors, water discolorations, and detrimental toxins. Whisper EX models also have Tetra's patented Bio-Scrubber technology. The bristles of the Bio- Scrubber provide more surface area for biological conversion of toxic ammonia and nitrites to harmless compounds and the design of the Bio-Scrubber Cartridge allows for it to be virtually clog-free. The Whisper EX Filtration Systems have the innovative technology that gives the most water contact-to-filter ratio. This will give you the ultimate in water quality, and fish and plant health.


Handy Chart to Help You Pick the Right WhisperEX Filter for Your Aquarium

Product Bio-Bag Filter Size Aquarium Size Certified Flow Rate
WhisperEX 20 Medium CartridgeUp to 20 gallons110 GPH
WhisperEX 30 Large Cartridge Up to 30 gallons 160 GPH
WhisperEX 45 Large Cartridge Up to 45 gallons 240 GPH
WhisperEX 70 Large Cartridge Up to 70 gallons 340 GPH

TetraCare®

Sign up for TetraCare® to help you be successful in your fish-keeping endeavor. This is a totally free program with the purchase of these aquarium systems and provides on-line and over the phone support. Once you register, you'll receive specially timed e-mails to guide you through the first six months of your aquarium experience and beyond. Free direct access to our TetraCare® Team is just a phone call away. Just call 1-800-423-6458. Help is available seven days a week.



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The WhisperEX Medium and Large Carbon Filter Refills come in two and four pack varieties.

Product Details

Size: 45-70 Gallons
  • Product Dimensions: 6.3 x 12.9 x 9.5 inches ; 3.4 pounds
  • Shipping Weight: 3.4 pounds (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B001CHVKPY
  • Item model number: 26313
  • Average Customer Review: 3.6 out of 5 stars  See all reviews (326 customer reviews)
  • Amazon Best Sellers Rank: #2,341 in Pet Supplies (See Top 100 in Pet Supplies)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers

Customer Reviews

3.6 out of 5 stars

Most Helpful Customer Reviews

52 of 54 people found the following review helpful By Wisconsinite on January 4, 2011
Size: 20-30 Gallons Verified Purchase
I bought 4 other power filters before this one. They either failed within a year and/or were loud and not doing a good job of cleaning the tank. I finally came across this one and it's a keeper. It's really quiet, does a thorough job of filtering the water and keeping it clear, especially if I replace the filter regularly. I use this for an aquatic turtle tank and they are difficult to keep clean but this pump does the job. I used to have to buy a new power filter every 9 or 12 months due to failure but I've had the Whisper EX30 for 2 years now and it's still going strong and still quiet !

6/20/2013: Update: It now has been 4.5 years and this thing is still working like a charm, keeping my turtle tank clean and still quiet. Great value!
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17 of 18 people found the following review helpful By AZ Gamer on April 10, 2014
Size: 45-70 Gallons Verified Purchase
So a little background, mom takes son to store with grandma, son wants Red ear slider...........not knowing how dirty the little turtle is. Grandma being grandma buys it for him with 10 gal tank. Dad (aka ME) does his research and realizes how much work is needed to take care of the little female turtle dubbed Michealangela. Realizing the turtle needs a bigger tank, 55 gallon purchased. Realizing it needs A LOT of filtration I buy 40 gal Tetra whisper internal filter to hang from top of aquarium. It couldn't meet the cleaning demand, so I purchased another to hang totaling 2 for 80 gallons of filtration. Still could not meet the cleaning needs of this dirty little turtle. So, I purchased the Whisper EX70 and literally within a couple hours of starting it up, the water was crystal clear and stink free. Noise problem was soved by filling water to about a 1/2" below the cascading falls. This thing does what is advertised and is pretty quiet, I'd definitely recommend to others looking for quality filtration at a low price.
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27 of 32 people found the following review helpful By Peter T. Cheung on April 22, 2009
Size: 20-30 Gallons
I have 7 tanks set up all with power filters. Half of my power filter is tetra EX. They have been in this line of business for a long time and have been known to be reliable and trust worthy.
Power filter that hang at the back of the tank are design for aquarium of 5 to 80 gallons. For tanks of 10 to 55 gallon I definitely would say power filter is the best type of filter for them. You should get a power filter that is rated twice the size of your tank and may be even up to 3 times if you have a lot of "living things" in your tank. So the EX 30 is perfect for 10 gallon tanks and reasonable for 20 gallon tanks.
Power filter performs three filtration functions, mechanical, chemical and biological filtration. Each type of power filter has its advantage and disadvantages and none is perfect for all three functions. The EX is good in mechanical and chemical filtration and is great for biological filtration. The chemical filtration is great if you use bio bag and added more chemicals inside the bag instead of using the sealed cartridge. The sealed cartridge is more expensive but easier to handle. The bio bag is more time consuming to use but you can add more and different types of chemicals and I think the mechanical filtrations is also better. (The carbon that comes with the bio bag is the same amount as in the seal cartridge and you should add a lot more chemicals to the bio bag and I like the Ammo-Carbon) Another advantage of the bio bag is if you need to remove the carbon for some medication you can just empty the chemical out of the bag and keep the bag for mechanical filtration. If you use the sealed cartridge you have to remove the whole cartridge and lost the mechanical filtration (or replace it with an empty bio bag).
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10 of 10 people found the following review helpful By Green Bastarde' on April 10, 2013
Size: 45-70 Gallons Verified Purchase
I like the high flow. The volume is not as loud as some described. I am very pleased with the price and quality!!! Its not the best filter but it does move a lot of water and seems to be doing what it should, filtering water...lol
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10 of 11 people found the following review helpful By Someguy on February 27, 2013
Size: 45-70 Gallons
Long time fish keeper here, and even made it my profession for 4 years. I've experienced all manner of filters, and will provide a no-holds-barred review of this filter.

I purchased this filter when the filter in my wife's fish tank began encountering some difficulty. Replaced the impeller assembly on that one (it was also a whisper), and picked this one up as I can tell a motor failure coming when I see one. Sure enough, the motor died within a month, and so I was left with this filter. For frame of reference, it's mounted on a 29 gallon tank.

Initial Impressions-
Whisper seems to have upped their quality of their filters for this generation of filter. The addition of something to accumulate bio material was nice, and appreciated. The cartridges are more user friendly as well, and the indicator strips were an interesting idea, though I never used them myself. However, if you need a colored strip to tell you to change your filter, you're going to forget about changing your filter or checking the colored strip anyway. Nice try I guess.

Filtration-
I decided to undervalue the power of the filter vs what is advertised. From my experience filter companies always overstate their claims. Whisper is no exception. The filter provides good filtration on my aquarium. Go up one size from advertised.

Life span-
Just the other day I started looking at the impeller assembly, as this thing is getting louder and louder as it ages. I can hear it from upstairs in my house, which is pretty impressively loud. Impeller is fine and free of any scoring, so I cleaned and reassembled it. It's just plain loud. Maybe it's just bothering me more now that it's in my dining room instead of my daughter's room.
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Tetra 26313 Whisper EX 70 Filter, 45-70-Gallon
This item: Tetra 26313 Whisper EX 70 Filter, 45-70-Gallon
Price: $29.99
Ships from and sold by Amazon.com
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