FluvalBiofoam2pk304/5/6And404/5/6

Fluval 306/406 And 307/407 Bio-Foam+ - *-* *-* 2 Pack Exclusively Designed For Fluval Aquarium Canister Filters *-* Fluval Bio-Foam Performs Exceptional Mechanical And Biological Filtration. Bio-Foam's Dense Structure Is Very Effective At Trapping Small Particles That Are Not Captured In The First Stage Of Foam Filtration. *-* *-* in Addition *-* Its Intricate Network Of Pores Provides A Large Surface Area That Encourages The Growth Of Helpful Nitrifying Bacteria *-* Which Is Crucial For Efficient Biological Filtration And Goes A Long Way In Creating Clear And Healthy Water For Fish And Plants To Thrive. *-* *-* key Features : For Fluval Filter Models: 304 *-* 305 *-* 306 *-* 404 *-* 405 *-* 406 2-Pack *-*