Fluval U4 Poly-Max Filter Cartridge
Fluval U4 Poly-Max Filter Cartridge

Fluval U4 Poly-Max Filter Cartridge

Filter Cartridges

Price : $17.99

In Stock

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.