Fluval Underwater Filter Poly/Carbon Cartridge, 2 count
By Fluval
$10.49Chewy Price
In Stock
FREE 1-3 day shipping over $49
Frequently Bought Together
This Item - Fluval Underwater Filter Poly/Carbon Cartridge, 2 count
$10.49Chewy Price
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About This Item
- Helps eliminate harmful contaminants and keeps your fish safe.
- One side features a polyester filter pad that removes fine debris and contaminants.
- The other side contains carbon to remove dangerous contaminants along with unwelcome colorants and odors.
- Specifically designed for use in the Fluval Underwater Filter for Aquariums, Size U4.
- Ships in a pack of two cartridges; suitable for use in freshwater, marine or reptile environments.
Learn More About Fluval From Our Team of Experts
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Ensure your system runs smoothly with this Fluval Underwater Filter.
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| Customer Rating | — | ||||
| Price | $10.49Chewy Price | $7.92Chewy Price | $5.99Chewy Price | $12.71Chewy Price | $10.29Chewy Price |
| Autoship | — | $7.52Chewy Price | $5.69Chewy Price | — | — |
| Fish Type | Tropical Freshwater, Marine Fish | Tropical Freshwater, Marine Fish | Tropical Freshwater, Marine Fish | Tropical Freshwater, Betta, Cichlid, Goldfish | Tropical Freshwater, Marine Fish, Cichlid, Goldfish |
| Aquarium Type | Freshwater, Saltwater | Freshwater | Freshwater | Freshwater, Saltwater | Freshwater, Saltwater |
| Material | Plastic | Microfiber, Synthetic Fabric | Microfiber, Synthetic Fabric | Plastic | Plastic |
5 Customer Questions
will this work for the 2.6 gallon tank? Or the 5 gallon tank? I have both.
Answer by • Mar 06, 2018
The Fluval Underwater U4 Filter and Cartridges are recommended for use in 34-65 Gallon tanks.
Will this work for Fluval canister filters 307 or 305?
Answer by • Aug 13, 2021
This filter cartridge is specifically designed for use in the Fluval Underwater Filter for Aquariums, Size U4.
What are the filter's dimentions?
Answer by • May 31, 2021
These filters measure approximately 6.7 x 2.8 x 1.8 inches.
How do you use
Answer by • Oct 02, 2017
This product eliminates harmful contaminants and keeps your fish safe. One side features a polyester filter pad that removes fine debris and contaminants.This cartridge is compatible with the Fluval Underwater Filter for Aquariums U4 system. The item number is 103943.