The Fluval Underwater Cartridge traps fine debris to improve water clarity and keep your aquarium looking fresh. The cartridge also removes odors from water.
Keep your aquarium looking good and provide your aquatic pets with a clean, comfortable environment with the Fluval Underwater Cartridge. This poly/carbon cartridge traps fine debris to maintain clear water and removes odors to keep your aquarium in top condition.
- Poly/carbon cartridge
- Traps fine debris to maintain water clarity
- Removes odors from water
Available in U2, U3 and U4 styles
*See menu selections above for sizes and styles in stock and available online.