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