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Item #:
31766054
Koller Products Size Small Replacement Filter Cartridges - 3 Pack
90% of respondents would recommend this to a friend
Item #:
31766054
SHP 21
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Order now and get it around Sunday, September 13
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Keeps aquarium water crystal clear and your fish healthy
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What Stands Out
High Filtration Quality
These replacement filters ensure crystal-clear water by effectively removing impurities, providing a healthier environment for your fish, and enhancing the overall quality of your aquarium.
Convenient Multi-Pack
The 3-pack offers great value, allowing users to replace filters more frequently without breaking the bank, ensuring optimal performance and extending the lifespan of your aquarium.
Perfect Fit
Designed specifically for Koller products, these small cartridges fit seamlessly, making installation quick and hassle-free, ensuring your filter system operates efficiently and maintaining a healthy aquatic ecosystem.
Product Details
- Premium replacement filter cartridge for Koller Products and Hawkeye power filters
- No assembly required, pre-assembled and ready to use
- Dual-sided poly-fiber floss removes fish waste and debris
- Activated carbon eliminates organic pollutants for clear water
- Easy to install and replace without getting hands wet
- Optimal filtration with monthly or sooner cartridge replacement
| Other Special Features of the Product | Removes Fish Waste and Debris |
| Container Type | Cartridge |
| Installation Type | Countertop |
| Purification Method | Activated Carbon |
| Supported Water TDS Level Maximum (PPM) | 200 |
| Filter Life Cycle | 1 tmonths |
| Item Dimensions L x W x H | 2.38"L x 0.75"W x 5"H (6 x 1.9 x 12.7 cm) |
| Capacity | 7 gallons |
| Item Weight | 1.28 ounces (36.29 grams) |
| Material Type | Poly-fiber |
| Brand Name | Koller Products |
| Included Components | Filter Cartridge |
| Model Name | Aquarium Filter Cartridges Small 3 Pack |
| Model Number | AQ10FC-30 |
| UPC | 049146980135 |
| Manufacturer | Koller Products |
| Number of Items | 3 |
| Unit Count | 1 Count |
| Item Type Name | Aquarium filter cartridge |
| Item Width | 0.5 inches (1.3 cm) |
| Part Number | AQ10FC-30 |
| Brand | Koller Products |
| Special Feature | Removes Fish Waste and Debris |
| Product Dimensions (L x W x H) | 2.38"L x 0.75"W x 5"H (6 x 1.9 x 12.7 cm) |
| Material | Poly-fiber |
| Package Information | Cartridge |
Who Should Buy?
-
Small Aquariums
Ideal for users with small aquariums needing regular filter replacements to maintain water clarity and fish health.
-
Pet Owners
Great for pet owners who want to ensure clean, filtered water for their aquatic pets with minimal maintenance.
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Budget-Conscious Users
Cost-effective option for those looking to save money while keeping their aquarium water quality optimal with replacements.
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Large Aquariums
Not suitable for large aquariums requiring higher filtration capacity and larger filter cartridges for effective cleaning.
Product Description
Koller Products Size Small Replacement Filter Cartridges - 3 Pack
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
How often should the filter cartridge be replaced?
Answer: It is recommended to replace the cartridge every 3 to 4 weeks or when heavily soiled. -
Question:
Which aquariums are compatible with this filter cartridge?
Answer: It fits Koller Products and Hawkeye power filters for various sized aquariums, including Smart Tank and AquaTunes models. -
Question:
What are the key features of the filter cartridge?
Answer: The filter cartridge features dual-sided poly-fiber floss, premium activated carbon for pollutant removal, and easy installation without getting hands wet. -
Question:
Will this product provide chemical, biological, and mechanical filtration?
Answer: Yes. Power filters will combine the mechanical and chemical media into a single cartridge. The exterior of the cartridge provides mechanical filtration, while the media inside provides chemical filtration. Beneficial bacteria will also colonize on the filter cartridge, providing biological filtration. If you have additional questions please feel free to contact us at 800.545.1344. Thank you for your question. Customer Care Team -
Question:
So when you replace the filter cartridge with a brand new cartridge you lose most of the established bacteria colony?
Answer: When you replace a soiled filter cartridge, biological filtration will start up again on the cartridge but the established beneficial bacteria living on aquarium gravel, ornaments, plants, and walls of the fish tank will remain, unaffected. The new filter cartridge will quickly remove organic pollutants and debris, keeping the crystal clear and fish healthy. If you have additional questions please feel free to contact us at 800.545.1344, we are here to provide assistance. Customer Care Team -
Question:
what's actual size of the filter?
Answer: This is for Koller filters KC10 that uses small filter cartridge size and dimensions are 2.25 L x .5 W x 5 H Inches as per the manufacturer's specifications. -
Question:
Does this fit aqua culture one gallon filters too?
Answer: No, the 1-gallon filter uses XS replacement filter cartridges. Please feel free to contact us at 800.545.1344 if we can be of assistance. -
Question:
The main listing shows a box of 3 filter cartridges, but elsewhere only 1 is indicated. How many are included for the listed price?
Answer: This is a listing of 1 box containing 3 filters.
Koller Products Filter Accessories AQ10FC-30 Editorial Review
Koller Products Replacement Filter Cartridges are designed to provide chemical, biological, and mechanical filtration. The cartridge has a mixture of mechanical and chemical media with the exterior providing mechanical filtration while the interior provides chemical filtration. Beneficial bacteria also colonize on the filter cartridge, providing biological filtration. When replacing a soiled filter cartridge, biological filtration starts again, however, the established bacteria colony living on the aquarium gravel, ornaments, plants and walls will remain unaffected. These cartridges come in a box of three and are 2.25 L x .5 W x 5 H Inches in size, specifically designed for Koller filters KC10. Customers have been delighted with the quality of these filters, with many stating that they work exceptionally well, keeping their aquariums clean and clear. The filter cartridges are cost-effective and work as expected. However, some customers have reported issues with sizing, with some needing an extra small cartridge instead of a small one, which resulted in folding or making the filter manageable. There have also been some reports of damaged packaging, although this doesn't seem to affect the product itself.
Customer Reviews & Ratings
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Pros
- Provides chemical, biological, and mechanical filtration
- Beneficial bacteria also colonize on the filter
- Cost-effective
- Great quality, keeps aquariums clean and clear
Cons
- Damaged packaging reported in some cases
Platform Trust & Buyer Confidence
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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SHP 21
Order now and get it around Sunday, September 13
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Features & Benefits
- Premium replacement filter cartridge for Koller and Hawkeye power filters
- Promotes a healthier aquarium by removing toxins and impurities
- Easy to use, no mess, and keeps hands dry
- Dual-sided poly-fiber floss and activated carbon for optimal filtration
- Fits various 4.5 to 7-gallon aquariums
- Dimensions: 2.25 L x .5 W x 5 H Inches
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