X-520 X-620 1. Modern Rectangular Glass Tank Kit Completed with LED Lighting System 2. Multi-stages Internal Filtration System Included 3. Removable Light Canopy for easy Maintenance 4. Redesigned Glass Lid for Better Splash Guard 5. Filtration system: The aquarium with internal filter system included internal filter, with a flow rate of 435L/H, keeps the water in the tank clean and healthy.