• $18.99
    Precio unitario por 
  • Ahorra $7.01
Los gastos de envío se calculan en la pantalla de pagos.

Specifically designed for the Fluval U4 filter, the U4 Poly-Max Cartridge helps control green water and unsightly algae growth by trapping and adsorbing phosphate, nitrite and nitrate.

  • Chemical filter media
  • Produces crystal clear water, reduces odor, and creates ideal conditions for fish and plants
  • Helps reduce overall aquarium maintenance
  • Suitable for freshwater, saltwater or reptile environments
  • Convenient 2-pack format
  • 2 x poly/clearmax filter cartridge included