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🌟 Elevate your aquarium’s clarity with precision filtration!
The Fluval U3 Underwater Filter Poly/Carbon cartridge is a custom-designed replacement filter that delivers superior chemical filtration for freshwater, marine, and reptile tanks. Lightweight and easy to replace, it ensures optimal water quality and is highly rated by thousands of users for its reliability and performance.




























| ASIN | B001XRR3E0 |
| ASIN | B001XRR3E0 |
| Allergen Information | Nut Free |
| Best Sellers Rank | #26,645 in Pet Supplies ( See Top 100 in Pet Supplies ) #244 in Aquarium Filter Accessories |
| Brand Name | Fluval |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,304) |
| Date First Available | September 7, 2010 |
| Department | Unisex-Adult |
| Global Trade Identification Number | 00015561104913 |
| Included Components | Fluval U3 Underwater Filter Poly/Carbon |
| Is Discontinued By Manufacturer | No |
| Item Form | Cartridge |
| Item Type Name | Fluval U3 Underwater Filter Poly/Carbon |
| Item Weight | 0.03 Kilograms |
| Item model number | A491 |
| Manufacturer | Rolf C. Hagen (USA) Corp. |
| Manufacturer | Rolf C. Hagen (USA) Corp. |
| Manufacturer Part Number | A491 |
| Model Number | A491 |
| Pet Type | Amphibian, Fish, Reptile |
| Product Dimensions | 2.5 x 2.5 x 1.3 inches; 0.92 ounces |
| Target Species | Fish |
| UPC | 015561104913 |
| Unit Count | 1 Count |
| Warranty Description | Warranty |
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