Find the lowest price for:       All ProductsFilters     4.0 (1)   Add a review Marineland 100B Penguin Bio-Wheel Power Filter 100 GPH   Penguin BIO-Wheel Power Filters 100 by Penguin. Penguin series aquarium power filters provide superior biological filtration to eliminate toxic ammonia and nitrite Have a question? Ask the Experts! Compare Prices Product Spec Member Reviews Recommend to Friends Category Hang-On 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 Hang-On Filters Filters Other Filters internal use: spec349