biOrb Flow Aquarium with LED Light Constructed Out of Acrylic - 10 times stronger than glass, 50% lighter and has a 93% transparency rating. True 5 Stage Filtration - Biological, Mechanical, Chemical, Water Stabilization and Oxygenation. Low Voltage - All biOrb aquariums operate from a 12V Transformer. LED Lighting - Built-in LED light, designed to fit your aquarium seamlessly Filter Cartridge - Designed to fit all biOrb aquariums