4 x Compatible Foam and 4 x Polycarbon Carbon Filter Cartridges and 170g Biomax for Fluval U2
These cartridges should be replaced approximately every 4 weeks, each pack contains 4 cartridges, 4 foams and 1 bag of compatible biomax. Sold in 3 different sizes for the U2, U3 and U4 filters.
Compatible Fluval U2 Polycarbon Carbon Filter Cartridges Foam Fish Tank Aquarium Filter
You are purchasing Finest Filters Compatible Polycarbon filter cartridges and plain foams suitable for the Fluval U2 aquarium filter.
The carbon filters effectively produces crystal clear water, reduces odours, and creates ideal conditions for fish and plants. The polymax / clearmax filter cartridge helps reduce overall aquarium maintenance. These cartridges should be replaced approximately every 4 weeks, each pack contains 4 cartridges. Sold in 3 different sizes for the U2, U3 and U4 filters.
The plain filter sponges contain the biological cultures, biologically and mechanically filtering the aquarium water.
The biomax provides a large surface area for beneficial bacteria to colonise to help biologically filter the water by removing ammonia and nitrite for clear, healthy aquarium water.
Please Note: This is not a Fluval Product. This is a Finest Filters alternative which serves the same purpose as the original brand.