The Flex 32.5 US Gal (123 L) aquarium makes an exciting addition to Fluvals bold curved aquarium series. It comes equipped with a mobile device operated Aquasky LED that offers total control over brilliant custom colors, multiple dynamic effects and a programmable 24-hour light timer. In addition, this all-new Flex includes a built-in filtration system with 2 independent multi-stage chambers for maximum cleaning efficiency.