The Flex 123L Aquarium & Cabinet Set delivers an exciting addition to Fluval’s bold curved aquarium series. As the largest model in the range, the Flex 123L features upgraded app-controlled Aquasky Bluetooth LED lighting technology that offers customisable control over brilliant colours, multiple dynamic effects and a programmable 24-hour light timer. In addition the Flex 123L includes a hidden, enhanced 3-stage filtration system with 2 independent multi-stage filter chambers, each equipped with oversized mechanical, chemical and biological media for maximum cleaning efficiency and superior water quality. Fluval Aquasky LED Key Features: Programmable 24-Hour Light Cycle - Mimic the natural cycle of the sun & moon Program Gradual Settings - Sunrise, mid-day, dusk and night Adjustable Colour Spectrum - Super bright white LEDs paired with tri-coloured RGB LEDs Multiple Weather Effects - From stormy lightning to dense cloud cover. FluvalSmart App - Download the FREE FluvalSmart App to control built-in features Flex 123L Aquarium & Cabinet Set Key Features: Customizable Lighting - App controlled Aquasky LED technology 3-stage filtration - Two independent media chambers for superior water quality Bold Curved Design - Unobstructed rimless viewing Multi-Directional Twin Output Nozzle - Adjust to create customised water flow Honey Comb Edging - Camouflages water line and rear compartment Full Access - Removable cover provides complete access to rear filter chamber Fish Food Opening - Option to add Fluval PF2 Feeder (sold separately) Please Note: To ensure there are no delays with the delivery of your aquarium, please include a contact number when placing the order.