Easy to use, efficient, and eco-friendly, describes Aqueon QuietFlow Internal Power Filters with SmartClean Technology. SmartClean Technology provides quick and easy water changes to help improve water quality. Installation is also quick and easy; they are self-priming and include both hanging clips for use with framed aquariums and suction cups for use with frameless aquariums. The QuietFlow Internal Filters with SmartClean Technology also includes an adjustable flow rate feature to cover a range of aquarium sizes. The filter includes a Bio-Holster cartridge holder for beneficial bacteria to grow (biological filtration) and an Aqueon EcoRenew cartridge made from sustainable fibers and infused with carbon. Both feature a NoDrip design that helps to eliminate water mess when changing them out.SmartClean Technology provides quick and easy water changes to help improve water quality for a clean and clear aquariumIncludes Aqueon EcoRenew cartridge that is sustainable, biodegradable, and fully compostableEasy to install using included suction cups or clipsAuto-start pump requires no priming, automatically restarts if power is interrupted and restored0-35GPHAdjustable flow rates for 0-5G fresh or saltwater aquariumChange cartridge every 4 weeks using Extra Small Aqueon EcoRenew Cartridge