Fluval U4 Underwater Filter Poly Clearmax Cartridge - 2 Pack Laguna Replacement Parts you can direct the flow

you can direct the flow where your tank needs it most

Fits Marineland Actual Size BFA Item # 125 or 150 Gallon

Its compact size and thoughtful setup make it easy for beginners and hobbyists to care for these fascinating creatures

100% Synthetic Rubber

Fluval U4 Underwater Filter Poly Clearmax Cartridge - 2 Pack Laguna Replacement Parts you can direct the flowFluval Poly Clearmax filter cartridge helps control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate. It effectively produces crystal clear water, reduces odors, and creates ideal conditions for fish and plants. The filter cartridge helps reduce overall aquarium maintenance. It is ideal for freshwater and marine environments. Key Features : Filter cartridge helps control green water and unsightly algae