Efficient: Enable to generate abundant water flow, optimal for oxygen supplement and water circulation of aquarium. absorbs odors and discoloration. GET 3PCS Filter Cartridges: B0CLRRJKW1. 5PCS Filter Cartridges: B0CLRTHWVZ.ULTRA-QUIET: This aquarium filter runs ultra quietly. Low wattage and high flow, offers you and your aquatic life a quiet and comfortable night..Large Filter Space: Extra filter materials can be added as needed, such as biochemical ball, carbon bag, etc. Filtration capacity than similar products increased by 3 to 4 times..Fast Setup: Replacement filter cartridges are fully assembled and ready to use. Comes with 2 suction cups and hanging clips for secure in-tank installation, Suitable for 5 - 40 gallon fresh and marine fish tanks..Safe: This fish tank Filter is made with high-quality, sturdy material, safe for you and your fish and turtle. Plus, come with inlet cover sponge, prevent small fish or animal suck in the filter.