Marineland® products are designed with both performance and style in mind. We push precision and power beyond the expected and listened to our loyal customers to make our products even better. We do this because at the heart of our innovative spirit is a desire to help hobbyists everywhere do more, create more and, most of all, enjoy more. So whatever you’re passionate about – freshwater or saltwater, big or small, beauty or science – make your aquarium your own. Marineland® Penguin® PRO 450 Power Filter delivers easy, three-stage mechanical, chemical and biological aquarium filtration. This ultra-quiet filter has a decoupled motor to reduce noise so you can relax and enjoy your aquarium. This power filter contains BIO-Wheel® technology to provide wet/dry biological filtration for nitrifying bacteria growth and eliminating toxic ammonia and nitrate fast. Uses Marineland Rite-Size™ E Filter Cartridge. Filters your 90-gallon aquarium five times per hour with flow control up to 450 GPH. Available in six sizes: 100 (for up to 10 gallons), 125 (for up to 20 gallons), 175 (for up to 30 gallons), 275 (for up to 50 gallons), 375 (for up to 75 gallons), 450 (for up to 90 gallons). WITH BIO-WHEEL TECHNOLOGY: BIO-Wheel technology provides wet/dry biological filtration. MULTI-STAGE FILTRATION: Delivers mechanical, chemical and biological aquarium filtration to maintain a clean aquatic environment. COMPATIBILITY: Use with Marineland Rite-Size E Filter Cartridge. SIX SIZES: 100 (for up to 10 gallons), 125 (for up to 20 gallons), 175 (for up to 30 gallons), 275 (for up to 50 gallons), 375 (for up to 75 gallons), 450 (for up to 90 gallons). FLOW CONTROL: Flow control up to 450 GPH.