biOrb Classic Aquarium with LED Light Constructed Out of Acrylic- 10 times stronger than glass, 50% lighter and 93% clearer True 5 Stage Filtration - Biological, Mechanical, Chemical, Water Stabilization and Oxygenation Low Voltage - All biOrb aquariums operate from a 12V Transformer LED Lighting - Equipped with a long lasting, low voltage Standard LED Light Filter Cartridge - A true one size fits all filter for the biOrb aquariums