6 Pack Medium Filter Cartridges Compatible with Tetra Whisper Bio-Bag Filter, Replacement Filter Cartridge for Aquarium Compatible with Whisper 10i/IQ10/PF10 Filter and ReptoFilter
$13.99
Price: $13.99
(as of Nov 05, 2025 03:27:35 UTC – Details)
Product description
Filter Cartridges with High Performance 
Super-absorbent Zeolite
Absorption of ammoni anitrogenBalance the PH valueMake the anticoagulants grow faster 
Nutshell Activated Carbon
Better and faster absorption of the filth and sundries in the water. Offer clean and healthy water for fishes.Compared with others, Nutshell activated carbon has developed pore structure,uniform pore distribution, and long life.
Thicker & High Density Cotton
Increase the density of cotton to effectively absorb and filter impurities in the water to keep the healthy growth of fish.
Package Dimensions : 5.75 x 3.9 x 3.78 inches; 8.47 ounces
Item model number : ELC-WSP-M
Date First Available : August 6, 2025
Manufacturer : ELCCOTYA
ASIN : B0FLF4FFB2
Best Sellers Rank: #44,124 in Pet Supplies (See Top 100 in Pet Supplies) #551 in Aquarium Filter Accessories
Customer Reviews: 4.7 4.7 out of 5 stars 26 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Filter Cartridges for Aquarium Filtration: The fish tank filter cartridges compatible with tetra whisper IQ10, 10i, PF10 Power Filters and ReptoFilter 20 gallons (90 GPH). Work for 5-10 internal filter and 5-15 gallon external filter.
Excellent Filtration Media: The cartridges made of dense cotton, more 25% activated carbon removes odors and reduces water turbidity, extra add zeolite, adsorb ammonia, heavy metals and other harmful components in the water, balance the PH value to achieve a stable water state.
Aquarium Filter Cartridges with High Performance: The replacement filter cartridges adopt the high density cotton, 25% more activated carbon and zeolite with 4-layer filtering effect, which can filter and absorb 99% of the sundries,to get the clarity of the water and the healthy environment of the fishes.
Easy Installation in a few seconds: First remove the used filter element, and then rinse the new filter element with clean water to remove the dust, and finally put the filter element completely into the filter chamber. Note that pls replace filter cartridge every 2-4 weeks to ensure fishes have clean environment all the time.
Professional After-sales Team: Please choose right model of filter cotton for your aquarium and Pls replace the filter cotton in time according to the environment of aquarium. Any problem with using the product, pls find us, then we will help you in time.
8 reviews for 6 Pack Medium Filter Cartridges Compatible with Tetra Whisper Bio-Bag Filter, Replacement Filter Cartridge for Aquarium Compatible with Whisper 10i/IQ10/PF10 Filter and ReptoFilter
Add a review
Related Products
$13.99
Fonda Bradford –
Replacement fish filters
Filters fits perfectly, the same as the originals.
Embertide –
Works just like the brand name, great for the price!
Perfect buy and fits my fish filter. Quality seems just as good as the brand name filters and just as easy to use too. I pop one of these in, and it gets my fish tank back to clear within hours and lasts for a few weeks (my goldfish is huge and his tank gets dirty pretty quickly so we have to change the filter a lot more regularly than you would with a small fish)All in all, Iâm satisfied!
C_H –
10 Pack Medium Bio-Bag Filter Cartridges Compatible with Tetra Whisper
I have found that these 10 medium-sized filter cartridges are a good fit for my Tetra Whisper 10i filter and perform just as effectively as the more expensive brand-name versions. They are priced at approximately half the cost. In my medium-sized tank, I typically replace the cartridge every two weeks, and I have found that these cartridges last just as long as the original ones.The cartridges are made with long-lasting Bio-Bags and activated charcoal to assist in maintaining water quality. A helpful tip is to rinse the cartridges before installing them to prevent charcoal dust from clouding the tank or harming the fish. Overall, these cartridges deliver excellent performance and value, making them a cost-effective option for aquarium upkeep.
Katherine C –
Excellent value and good quality
Perfect size and functions as it is supposed to. It helps keep my pet snail in a clean, well filtered environment.
Ashley Coraggio –
great value
Great value for how many you get. They work just as well as the name brand, if not better. Last a long time, I just rinse them every few days. Would get again
Wilfredo Figueroa –
Effective medium size fish tank filters.
I purchased these filters sold by ELCCOTYA for my Whisper IQ. This 10 pack medium filter is affordable & they work just as good as the named brand filters. They should be changed every 2-4 weeks for optimum fish tank water conditions. I’ve been using them for a few weeks and they are very effective filters. Great value for your money.
Jessica B –
Reliable Replacement Filters for Whisper Bio-Bag
These replacement cartridges work very well with my Tetra Whisper filter PF10, The fit is snug, and installation is straightforward, just slide them in and theyâre ready to go.The filter material feels sturdy and doesnât fall apart when rinsing before use. Once in the tank, they do a good job of keeping the water clear and trapping debris. I also appreciate that the pack comes with 10 filters, which makes it economical and ensures I have spares ready for regular changes.The water flow stays strong after replacing the cartridge, and my fish seem happy with the cleaner environment. For anyone who uses a Whisper filter, this is a convenient and reliable option.Pros:Compatible with multiple Whisper models.Sturdy filter material, doesnât break apart.Keeps water clear and flow consistent.Good value with 10 filters included.Easy to install and replace.Cons:Works best if changed regularly, they do clog fast in heavily stocked tanks.
Michael J. Delude –
Budget-Friendly Filter Win: 10 Pack Medium Filter Cartridges for Tetra Whisper Bio-Bag Review
My wife and I recently stocked up on the 10 Pack Medium Filter Cartridges Compatible with Tetra Whisper Bio-Bag Filter (https://www.amazon.com/dp/B0FLDZJ8XT?th=1) for her thriving 10-gallon aquarium setup, and these have been an excellent alternative to the name-brand onesâdelivering top-notch performance at a fraction of the cost that keeps her fish tank crystal clear without breaking the bank. As someone who’s always tinkering with her freshwater community of tetras and guppies, she was skeptical about switching from the official Tetra replacements, but these cartridges fit seamlessly into our Whisper 10i filter (and would work great for IQ10 or PF10 models too), with the same bio-bag design that traps debris, maintains water flow, and supports beneficial bacteria for healthy cycling. The quality feels spot-onâthe activated carbon and poly pads inside are dense and effective, absorbing odors and impurities just as well as the originals, and we’ve noticed no clogs or reduced filtration after a full month of weekly changes.What really sold us was the value: at this price for a 10-pack, it’s a no-brainer compared to shelling out double or more for the branded versions, freeing up budget for fun upgrades like new plants or LED lights. My wife appreciates how easy they are to swap outâno mess, no fussâand the pre-cut sizes slide right in without trimming or adjustments. We’ve run water tests post-install, and parameters like ammonia and nitrates stay stable, proving these aren’t just cheap knockoffs but a reliable workhorse for hobbyists. Our only tiny note is that the packaging could be a bit more eco-friendly (those individual wrappers add up), but that’s a small quibble for such a practical essential. This pack has made aquarium maintenance a breeze and saved us money long-termâmy wife and I highly recommend it as an excellent, affordable swap for anyone with a Tetra Whisper system; it’s the kind of smart buy that keeps the tank happy and the wallet fuller!