Marineland

REPLACEMENT FILTER CARTRIDGES: Fit Marineland Penguin Bio-Wheel Power Filters.EASY TO INSTALL: Pre-assembled cartridges slide easily into place, providing superior mechanical and chemical filtration and making replacement fast, dry and effortless.OPTIMUM WATER-TO-CARBON CONTACT: Patented ribbed backing ensures even distribution of carbon for crystal clear, clean water.COLOR-CODED PACKAGING: Rite-Size? packaging makes it simple to choose the right size replacement cartridge for your filter.MARINELAND FILTRATION PRODUCTS: Count on Marineland brand for the most reliable, technically advanced aquariums and accessories on the market.