Find the lowest price for:       All ProductsFilters     4.6 (6)   Add a review Two Little Fishies Phosban Reactor 150   PhosBan Reactor 150 by Two Little Fishies. PhosBan Reactor 150 from Two Little Fishies: Maximize chemical filtration utilizing the up-flow principle Have a question? Ask the Experts! Compare Prices Product Spec Member Reviews Recommend to Friends Category Specialty Filters Canister FiltersFluidized Bed FilterHang-On FiltersInternal & Undergravel FiltersReplacements & AccessoriesSpecialty FiltersWet/Dry Filters--------Suggest a new option Something wrong in this page? Let us know! Related products: More Specialty Filters Filters Other Filters internal use: spec352