Tetra Whisper Bio-Bag Medium Filter Cartridges
for Aquariums, 3 Count, Ready to Use, Fits Tetra Whisper Fish Tank Filters 5-10 Gal, PF-10, IQ 10
Price as of 2026-06-05. Check Amazon for the current price.
Quick Decision
Price Intelligence
Currently $6.47 — the 90-day average is $4.20.
All-time low: $3.10 on Thu Dec 24 (from 34 price checks).
Is This Right For You?
- •Budget-conscious shoppers — priced below 97% of Aquarium Filters
- •Those who want a top-rated option — in the top 8% of Aquarium Filters by rating
- •Risk-averse buyers — 28,071+ reviews give a highly reliable picture
- •Top 1% bestseller in Aquarium Filters — proven market demand
- •Fluval Carbon Filter Media offers a better rating (4.8/5) at a similar or lower price ($6)
- •Aqueon Aquarium Fish Tank Replacement Filter Cartridges — higher rated at 4.8/5 ($12)
📊 Based on data analysis of 60 products in this category.
Mubboo Score: A+
How It Compares
This Product Tetra Whisper Bio-Bag Medium Filter Cartridges | Most Popular Tetra Whisper Internal Power Filter 5 to 10 Gallons | Best Rated Aqueon Aquarium Fish Tank Replacement Filter Cartridges | Best Value Fluval Carbon Filter Media | |
|---|---|---|---|---|
| Price | $6.47 | $15.97 | $11.95 | $6.09 |
| Rating | 4.7/5 | 4.3/5 | 4.8/5 | 4.8/5 |
| Reviews | 28,071 | 22,303 | 12,505 | 8,689 |
| Mubboo Score | A+ | A | A+ | A+ |
Quick Specs
- Pet Type
- Fish
- Item Form
- Disposable Cartridge
- Unit Count
- 3 Count
- Item Weight
- 3.84 ounces
- Manufacturer
- Tetra
- Model Number
- 26169
- Liquid Volume
- 5 Liters
- Item Type Name
- Replacement Filter
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Ensure the filter is properly sized for your tank and fish; small fish may require a gentler flow or intake guard. Monitor water level to prevent noise and have a skimmer for surface film.
- Keeps water crystal clear and effectively removes odors and debris
- Easy to assemble and set up with minimal effort
- Excellent value compared to pre-assembled alternatives
- Quiet operation when water level is adequate
- Reliable and long-lasting performance
- Noise when water level drops or component misalignment
- Charcoal dust mess during cartridge assembly
- Can trap or injure small fish
Expert Picks in Aquarium Filters
- LifeStraw Escape — emergency water purification after disasters
Category recommendations from independent expert publications. Source links in References.
Related Video Reviews
- 📹 Which Aquarium Filter Actually Works? Honest Ranking — Aquarium Store Depot
- 📹 ✅ 7 BEST Aquarium Filters in EUROPE [2026] 🐟 Crystal Clear Water! — Rank On Top
- 📹 ✅ Top 5 Best Aquarium Canister Filters 2026 — PetLabs
Key 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.
Source: product listing on Amazon.
About Tetra
- 49 products in our database
- Average rating: 4.6/5 across all products
- Price range: $2.99 – $451.99
- Categories: Aquarium Air Pumps, Aquarium Filters, Aquarium Heaters, Aquariums, food-pet
Other Aquarium Filters
Featured in Our Reviews
Bottom Line
Tetra Whisper Bio-Bag Medium Filter Cartridges earns Mubboo Score A+. At $6 it's above the 90-day average of $4 — waiting for a dip may pay off. Rated 4.7/5 from 28,071+ reviews. Strong buy if: budget-conscious shoppers, those who want a top-rated option. Skip if: fluval carbon filter media offers a better rating (4.8/5) at a similar or lower price ($6) — Tetra Whisper Internal Power Filter 5 to 10 Gallons (Score A, $16) may fit better.
Frequently Asked Questions
Is the Tetra Whisper Bio-Bag Medium Filter Cartridges worth buying in 2026?
It earns a Mubboo Score of A+, with a 4.7/5 rating from 28,071 reviews — better than 92% of Aquarium Filters we track.
How much does the Tetra Whisper Bio-Bag Medium Filter Cartridges cost?
It is currently $6.47. The 90-day average is $4.20 and the all-time low we recorded is $3.10.
How does the Whisper Bio-Bag Medium Filter Cartridges compare to other Aquarium Filters?
The category's most-reviewed alternative is the Tetra Whisper Internal Power Filter 5 to 10 Gallons (4.3/5, 22,303 reviews, $15.97). The Whisper Bio-Bag Medium Filter Cartridges carries a Mubboo Score of A+ vs A.
Sources & References
Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-05) and may change.