Characteristics: Biological internal filter for “Italian-style” aquariums with 3 compartments including filter materials and 520 lt/h recirculation pump Large filter with basic dimensions 26.5 X 8.5 cm//height 32 cm easy to install thanks to the 6 suction cups Filter media included: white fiber for pre-filtration-activated carbon-black sponge for mechanical filtration-sintered glass stones and ultra-porous ceramic cylinders for bacteria settlement Including AMTRA STREAM 480 recirculation pump: adjustable flow - maximum flow 520 lt/h - 4.3 Watt consumption Easy to clean and extremely efficient, useful in both fresh and marine water for aquariums up to 150 liters of capacity.Article prepared for 220-240 Volt electrical connection and 50 Hz frequency with plug EU