The Fluval Flex not only offers contemporary styling with its distinctive curved front, but is also equipped with powerful multi-stage filtration and brilliant LED lighting that allows the user to customize several settings via remote control. Key Features : 7500K LED lamp supports plant growth and enhances fish colorsFully adjustable White + RGB LEDs for endless color blendsFLEXPad remote can also control fun special effects (i.e. fading cloud cover, lightning bolts)Powerful 3-stage filtration for superior water qualityOversized mechanical (foam), chemical (carbon) and biological (Biomax) media includedMulti-directional dual outputs for customized water flowHidden rear filter compartmentStylish honeycomb wrap conceals water line and sides of rear compartmentEasy feed top cover openingBold curved front designFor freshwater use only