Editorial Review Fluval Aquarium Filter Foam Blocks provide mechanical straining of particulate waste. It prevents particulate waste from prematurely clogging other filter media in the module stack. Although the primary purpose of Fluval Foam is mechanical filtration, biological activity will eventually occur within its pore structure. These Fluval Aquarium Filter Foam Blocks also enhance biological filtration and are suitable for the Fluval 404 and Fluval 405 Aquarium Filters.
Features 1) 6 Fluval Filter Foam Blocks Total(3 Packs with 2 per Pack) 2) Fits Fluval 404/405 3) Provides mechanical filteration of large particles 4) Enhances biological filtration 5) Prevents premature clogging
Specification Binding : Misc. Brand : Fluval EAN : 0015561102261 Label : Fluval SEA Manufacturer : Fluval SEA PackageDimensions_Weight : 1.00 pounds PackageDimensions : L:12.01 X W:5.00 X H:2.01 ProductGroup : Pet Products ProductTypeName : PET_SUPPLIES Publisher : Fluval SEA Studio : Fluval SEA Title : (3 Pack) Fluval Filter Foam Block 404/405, 2 Blocks each